1163506670 has 16 divisors (see below), whose sum is σ = 2100319200. Its totient is φ = 464067744.

The previous prime is 1163506637. The next prime is 1163506679. The reversal of 1163506670 is 766053611.

It is a happy number.

It is a super-2 number, since 2×1163506670² = 2707495542268977800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1163506670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163506679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163202 + ... + 170181.

It is an arithmetic number, because the mean of its divisors is an integer number (131269950).

Almost surely, 2^1163506670 is an apocalyptic number.

1163506670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1163506670 is a deficient number, since it is larger than the sum of its proper divisors (936812530).

1163506670 is a wasteful number, since it uses less digits than its factorization.

1163506670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333739.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1163506670 is about 34110.2135730634. The cubic root of 1163506670 is about 1051.7752794591.

The spelling of 1163506670 in words is "one billion, one hundred sixty-three million, five hundred six thousand, six hundred seventy".