80137664 has 14 divisors (see below), whose sum is σ = 159023304. Its totient is φ = 40068800.

The previous prime is 80137661. The next prime is 80137669. The reversal of 80137664 is 46673108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80137661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626012 + ... + 626139.

Almost surely, 2^80137664 is an apocalyptic number.

It is an amenable number.

80137664 is a deficient number, since it is larger than the sum of its proper divisors (78885640).

80137664 is a wasteful number, since it uses less digits than its factorization.

80137664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252163 (or 1252153 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80137664 is about 8951.9642537267. The cubic root of 80137664 is about 431.1339531203.

The spelling of 80137664 in words is "eighty million, one hundred thirty-seven thousand, six hundred sixty-four".