160661656500 has 48 divisors (see below), whose sum is σ = 467846748096. Its totient is φ = 42843108000.

The previous prime is 160661656487. The next prime is 160661656513. The reversal of 160661656500 is 5656166061.

It is an interprime number because it is at equal distance from previous prime (160661656487) and next prime (160661656513).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53552386 + ... + 53555385.

It is an arithmetic number, because the mean of its divisors is an integer number (9746807252).

Almost surely, 2^160661656500 is an apocalyptic number.

160661656500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160661656500 is an abundant number, since it is smaller than the sum of its proper divisors (307185091596).

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

160661656500 is a wasteful number, since it uses less digits than its factorization.

160661656500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107107793 (or 107107781 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 160661656500 in words is "one hundred sixty billion, six hundred sixty-one million, six hundred fifty-six thousand, five hundred".