86161552 has 20 divisors (see below), whose sum is σ = 172695420. Its totient is φ = 41595008.

The previous prime is 86161549. The next prime is 86161577. The reversal of 86161552 is 25516168.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65221776 + 20939776 = 8076^2 + 4576^2 .

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, 92383 + ... + 93310.

It is an arithmetic number, because the mean of its divisors is an integer number (8634771).

Almost surely, 2^86161552 is an apocalyptic number.

It is an amenable number.

86161552 is an abundant number, since it is smaller than the sum of its proper divisors (86533868).

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

86161552 is a wasteful number, since it uses less digits than its factorization.

86161552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185730 (or 185724 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 86161552 is about 9282.3247088216. The cubic root of 86161552 is about 441.6767153443.

The spelling of 86161552 in words is "eighty-six million, one hundred sixty-one thousand, five hundred fifty-two".