911990116170 has 256 divisors, whose sum is σ = 2886209141760. Its totient is φ = 200583475200.

The previous prime is 911990116159. The next prime is 911990116187. The reversal of 911990116170 is 71611099119.

911990116170 is a `hidden beast` number, since 9 + 1 + 19 + 9 + 0 + 11 + 617 + 0 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5576160 + ... + 5737380.

It is an arithmetic number, because the mean of its divisors is an integer number (11274254460).

Almost surely, 2^911990116170 is an apocalyptic number.

911990116170 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 911990116170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443104570880).

911990116170 is an abundant number, since it is smaller than the sum of its proper divisors (1974219025590).

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

911990116170 is a wasteful number, since it uses less digits than its factorization.

911990116170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161358 (or 161352 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 45.

The spelling of 911990116170 in words is "nine hundred eleven billion, nine hundred ninety million, one hundred sixteen thousand, one hundred seventy".