80042164 has 12 divisors (see below), whose sum is σ = 141993124. Its totient is φ = 39472704.

The previous prime is 80042119. The next prime is 80042167. The reversal of 80042164 is 46124008.

It can be written as a sum of positive squares in 2 ways, for example, as 56130064 + 23912100 = 7492^2 + 4890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80042167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136767 + ... + 137350.

Almost surely, 2^80042164 is an apocalyptic number.

It is an amenable number.

80042164 is a deficient number, since it is larger than the sum of its proper divisors (61950960).

80042164 is a wasteful number, since it uses less digits than its factorization.

80042164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274194 (or 274192 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 80042164 is about 8946.6286387667. The cubic root of 80042164 is about 430.9626243647.

The spelling of 80042164 in words is "eighty million, forty-two thousand, one hundred sixty-four".