71623511040960 has 168 divisors, whose sum is σ = 259321089515280. Its totient is φ = 18094360670208.

The previous prime is 71623511040953. The next prime is 71623511040989. The reversal of 71623511040960 is 6904011532617.

71623511040960 is a `hidden beast` number, since 7 + 1 + 6 + 2 + 3 + 511 + 0 + 40 + 96 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 654399877 + ... + 654509316.

Almost surely, 2^{71623511040960} is an apocalyptic number.

It is an amenable number.

71623511040960 is an abundant number, since it is smaller than the sum of its proper divisors (187697578474320).

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

71623511040960 is a wasteful number, since it uses less digits than its factorization.

71623511040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308909235 (or 1308909222 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 71623511040960 in words is "seventy-one trillion, six hundred twenty-three billion, five hundred eleven million, forty thousand, nine hundred sixty".