180074712628 has 6 divisors (see below), whose sum is σ = 315130747106. Its totient is φ = 90037356312.

The previous prime is 180074712619. The next prime is 180074712661. The reversal of 180074712628 is 826217470081.

It can be written as a sum of positive squares in only one way, i.e., 108391075984 + 71683636644 = 329228^2 + 267738^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509339075 + ... + 22509339082.

Almost surely, 2^180074712628 is an apocalyptic number.

It is an amenable number.

180074712628 is a deficient number, since it is larger than the sum of its proper divisors (135056034478).

180074712628 is a wasteful number, since it uses less digits than its factorization.

180074712628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45018678161 (or 45018678159 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 46.

The spelling of 180074712628 in words is "one hundred eighty billion, seventy-four million, seven hundred twelve thousand, six hundred twenty-eight".