83545164 has 18 divisors (see below), whose sum is σ = 211183700. Its totient is φ = 27848376.

The previous prime is 83545153. The next prime is 83545183. The reversal of 83545164 is 46154538.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2320699 = 83545164 / (8 + 3 + 5 + 4 + 5 + 1 + 6 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1160314 + ... + 1160385.

Almost surely, 2^83545164 is an apocalyptic number.

It is an amenable number.

83545164 is an abundant number, since it is smaller than the sum of its proper divisors (127638536).

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

83545164 is a wasteful number, since it uses less digits than its factorization.

83545164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320709 (or 2320704 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 83545164 is about 9140.3043712997. The cubic root of 83545164 is about 437.1600214787.

The spelling of 83545164 in words is "eighty-three million, five hundred forty-five thousand, one hundred sixty-four".