85616253922 has 16 divisors (see below), whose sum is σ = 133049106360. Its totient is φ = 41270914048.

The previous prime is 85616253911. The next prime is 85616253941. The reversal of 85616253922 is 22935261658.

It can be written as a sum of positive squares in 4 ways, for example, as 85410647001 + 205606921 = 292251^2 + 14339^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050943 + ... + 1129474.

Almost surely, 2^85616253922 is an apocalyptic number.

85616253922 is a deficient number, since it is larger than the sum of its proper divisors (47432852438).

85616253922 is a wasteful number, since it uses less digits than its factorization.

85616253922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181125.

The product of its digits is 1555200, while the sum is 49.

The spelling of 85616253922 in words is "eighty-five billion, six hundred sixteen million, two hundred fifty-three thousand, nine hundred twenty-two".