1170006660 has 48 divisors (see below), whose sum is σ = 3640022400. Its totient is φ = 312001632.

The previous prime is 1170006659. The next prime is 1170006661. The reversal of 1170006660 is 666000711.

It is an interprime number because it is at equal distance from previous prime (1170006659) and next prime (1170006661).

It is a super-3 number, since 3×1170006660³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1170006661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082800 + ... + 1083879.

It is an arithmetic number, because the mean of its divisors is an integer number (75833800).

Almost surely, 2^1170006660 is an apocalyptic number.

1170006660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1170006660 is an abundant number, since it is smaller than the sum of its proper divisors (2470015740).

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

1170006660 is a wasteful number, since it uses less digits than its factorization.

1170006660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166697 (or 2166689 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 1170006660 is about 34205.3601062757. The cubic root of 1170006660 is about 1053.7302424076.

The spelling of 1170006660 in words is "one billion, one hundred seventy million, six thousand, six hundred sixty".