83165240 has 32 divisors (see below), whose sum is σ = 195259680. Its totient is φ = 31819392.

The previous prime is 83165237. The next prime is 83165273. The reversal of 83165240 is 4256138.

It is a congruent number.

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, 44279 + ... + 46118.

It is an arithmetic number, because the mean of its divisors is an integer number (6101865).

Almost surely, 2^83165240 is an apocalyptic number.

It is an amenable number.

83165240 is an abundant number, since it is smaller than the sum of its proper divisors (112094440).

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

83165240 is a wasteful number, since it uses less digits than its factorization.

83165240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90431 (or 90427 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 83165240 is about 9119.4977931901. The cubic root of 83165240 is about 436.4963485754.

The spelling of 83165240 in words is "eighty-three million, one hundred sixty-five thousand, two hundred forty".