1600172858860 has 12 divisors (see below), whose sum is σ = 3360363003648. Its totient is φ = 640069143536.

The previous prime is 1600172858819. The next prime is 1600172858891. The reversal of 1600172858860 is 688582710061.

It is a junction number, because it is equal to n+sod(n) for n = 1600172858798 and 1600172858807.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40004321452 + ... + 40004321491.

It is an arithmetic number, because the mean of its divisors is an integer number (280030250304).

Almost surely, 2^{1600172858860} is an apocalyptic number.

1600172858860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600172858860 is an abundant number, since it is smaller than the sum of its proper divisors (1760190144788).

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

1600172858860 is a wasteful number, since it uses less digits than its factorization.

1600172858860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80008642952 (or 80008642950 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 52.

The spelling of 1600172858860 in words is "one trillion, six hundred billion, one hundred seventy-two million, eight hundred fifty-eight thousand, eight hundred sixty".