85121168 has 20 divisors (see below), whose sum is σ = 179915568. Its totient is φ = 38691360.

The previous prime is 85121147. The next prime is 85121171. The reversal of 85121168 is 86112158.

It is a super-2 number, since 2×85121168² = 14491226483368448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

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, 241646 + ... + 241997.

Almost surely, 2^85121168 is an apocalyptic number.

85121168 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

85121168 is an abundant number, since it is smaller than the sum of its proper divisors (94794400).

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

85121168 is a wasteful number, since it uses less digits than its factorization.

85121168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483662 (or 483656 counting only the distinct ones).

The product of its digits is 3840, while the sum is 32.

The square root of 85121168 is about 9226.1133745473. The cubic root of 85121168 is about 439.8917915725.

The spelling of 85121168 in words is "eighty-five million, one hundred twenty-one thousand, one hundred sixty-eight".