8166537234 has 32 divisors (see below), whose sum is σ = 18160784640. Its totient is φ = 2720240496.

The previous prime is 8166537191. The next prime is 8166537259. The reversal of 8166537234 is 4327356618.

8166537234 is a `hidden beast` number, since 81 + 6 + 6 + 537 + 2 + 34 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8166537234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23704 + ... + 129980.

It is an arithmetic number, because the mean of its divisors is an integer number (567524520).

Almost surely, 2^8166537234 is an apocalyptic number.

8166537234 is an abundant number, since it is smaller than the sum of its proper divisors (9994247406).

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

8166537234 is a wasteful number, since it uses less digits than its factorization.

8166537234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107711 (or 107705 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 8166537234 is about 90368.8952792940. The cubic root of 8166537234 is about 2013.7829004678.

The spelling of 8166537234 in words is "eight billion, one hundred sixty-six million, five hundred thirty-seven thousand, two hundred thirty-four".