71329655374656 has 84 divisors (see below), whose sum is σ = 219538850053248. Its totient is φ = 20379901532928.

The previous prime is 71329655374609. The next prime is 71329655374771. The reversal of 71329655374656 is 65647355692317.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3790894896 + ... + 3790913711.

Almost surely, 2^{71329655374656} is an apocalyptic number.

It is an amenable number.

71329655374656 is an abundant number, since it is smaller than the sum of its proper divisors (148209194678592).

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

71329655374656 is a wasteful number, since it uses less digits than its factorization.

71329655374656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7581808636 (or 7581808619 counting only the distinct ones).

The product of its digits is 857304000, while the sum is 69.

The spelling of 71329655374656 in words is "seventy-one trillion, three hundred twenty-nine billion, six hundred fifty-five million, three hundred seventy-four thousand, six hundred fifty-six".