83513660 has 12 divisors (see below), whose sum is σ = 175378728. Its totient is φ = 33405456.

The previous prime is 83513653. The next prime is 83513671. The reversal of 83513660 is 6631538.

It is a congruent number.

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, 2087822 + ... + 2087861.

It is an arithmetic number, because the mean of its divisors is an integer number (14614894).

Almost surely, 2^83513660 is an apocalyptic number.

It is an amenable number.

83513660 is an abundant number, since it is smaller than the sum of its proper divisors (91865068).

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

83513660 is a wasteful number, since it uses less digits than its factorization.

83513660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4175692 (or 4175690 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 83513660 is about 9138.5808526270. The cubic root of 83513660 is about 437.1050650928.

The spelling of 83513660 in words is "eighty-three million, five hundred thirteen thousand, six hundred sixty".