1170156660656 has 10 divisors (see below), whose sum is σ = 2267178530052. Its totient is φ = 585078330320.

The previous prime is 1170156660653. The next prime is 1170156660667. The reversal of 1170156660656 is 6560666510711.

It is a super-3 number, since 3×1170156660656³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1170156660653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36567395630 + ... + 36567395661.

Almost surely, 2^{1170156660656} is an apocalyptic number.

1170156660656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1170156660656 is a deficient number, since it is larger than the sum of its proper divisors (1097021869396).

1170156660656 is an equidigital number, since it uses as much as digits as its factorization.

1170156660656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73134791299 (or 73134791293 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 1170156660656 in words is "one trillion, one hundred seventy billion, one hundred fifty-six million, six hundred sixty thousand, six hundred fifty-six".