916989766170 has 32 divisors (see below), whose sum is σ = 2204798833728. Its totient is φ = 244083560448.

The previous prime is 916989766169. The next prime is 916989766201. The reversal of 916989766170 is 71667989619.

It is a super-2 number, since 2×916989766170² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 916989766095 and 916989766104.

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, 27923559 + ... + 27956378.

It is an arithmetic number, because the mean of its divisors is an integer number (68899963554).

Almost surely, 2^916989766170 is an apocalyptic number.

916989766170 is an abundant number, since it is smaller than the sum of its proper divisors (1287809067558).

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

916989766170 is a wasteful number, since it uses less digits than its factorization.

916989766170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55880494.

The product of its (nonzero) digits is 61725888, while the sum is 69.

The spelling of 916989766170 in words is "nine hundred sixteen billion, nine hundred eighty-nine million, seven hundred sixty-six thousand, one hundred seventy".