80749164 has 24 divisors (see below), whose sum is σ = 198331840. Its totient is φ = 25499664.

The previous prime is 80749129. The next prime is 80749181. The reversal of 80749164 is 46194708.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

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, 176854 + ... + 177309.

Almost surely, 2^80749164 is an apocalyptic number.

It is an amenable number.

80749164 is an abundant number, since it is smaller than the sum of its proper divisors (117582676).

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

80749164 is a wasteful number, since it uses less digits than its factorization.

80749164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354189 (or 354187 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 80749164 is about 8986.0538614010. The cubic root of 80749164 is about 432.2277819675.

The spelling of 80749164 in words is "eighty million, seven hundred forty-nine thousand, one hundred sixty-four".