1115160660 has 36 divisors (see below), whose sum is σ = 3382654548. Its totient is φ = 297376128.

The previous prime is 1115160659. The next prime is 1115160661. The reversal of 1115160660 is 660615111.

1115160660 is a `hidden beast` number, since 1 + 1 + 1 + 51 + 606 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1115160659) and next prime (1115160661).

It can be written as a sum of positive squares in 2 ways, for example, as 561405636 + 553755024 = 23694^2 + 23532^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1115160660² = 2487166595223271200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115160661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3097489 + ... + 3097848.

Almost surely, 2^1115160660 is an apocalyptic number.

1115160660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115160660 is an abundant number, since it is smaller than the sum of its proper divisors (2267493888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115160660 is a wasteful number, since it uses less digits than its factorization.

1115160660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195352 (or 6195347 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1115160660 is about 33394.0213211886. The cubic root of 1115160660 is about 1037.0009320823. Note that the first 3 decimals are identical.

Adding to 1115160660 its reverse (660615111), we get a palindrome (1775775771).

The spelling of 1115160660 in words is "one billion, one hundred fifteen million, one hundred sixty thousand, six hundred sixty".