85168612 has 6 divisors (see below), whose sum is σ = 149045078. Its totient is φ = 42584304.

The previous prime is 85168579. The next prime is 85168637. The reversal of 85168612 is 21686158.

It can be written as a sum of positive squares in only one way, i.e., 85082176 + 86436 = 9224^2 + 294^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10646073 + ... + 10646080.

Almost surely, 2^85168612 is an apocalyptic number.

It is an amenable number.

85168612 is a deficient number, since it is larger than the sum of its proper divisors (63876466).

85168612 is a wasteful number, since it uses less digits than its factorization.

85168612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21292157 (or 21292155 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 85168612 is about 9228.6841965689. The cubic root of 85168612 is about 439.9735039141.

The spelling of 85168612 in words is "eighty-five million, one hundred sixty-eight thousand, six hundred twelve".