169664118660 has 72 divisors (see below), whose sum is σ = 514682016576. Its totient is φ = 45240759360.

The previous prime is 169664118649. The next prime is 169664118671. The reversal of 169664118660 is 66811466961.

169664118660 is a `hidden beast` number, since 1 + 6 + 96 + 6 + 411 + 86 + 60 = 666.

It is an interprime number because it is at equal distance from previous prime (169664118649) and next prime (169664118671).

It is a junction number, because it is equal to n+sod(n) for n = 169664118597 and 169664118606.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4512057 + ... + 4549503.

Almost surely, 2^169664118660 is an apocalyptic number.

169664118660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

169664118660 is an abundant number, since it is smaller than the sum of its proper divisors (345017897916).

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

169664118660 is a wasteful number, since it uses less digits than its factorization.

169664118660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62633 (or 62628 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 169664118660 in words is "one hundred sixty-nine billion, six hundred sixty-four million, one hundred eighteen thousand, six hundred sixty".