971621596952 has 16 divisors (see below), whose sum is σ = 1824076316160. Its totient is φ = 485201245984.

The previous prime is 971621596951. The next prime is 971621596963. The reversal of 971621596952 is 259695126179.

971621596952 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (971621596951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76187288 + ... + 76200039.

It is an arithmetic number, because the mean of its divisors is an integer number (114004769760).

Almost surely, 2^971621596952 is an apocalyptic number.

It is an amenable number.

971621596952 is a deficient number, since it is larger than the sum of its proper divisors (852454719208).

971621596952 is a wasteful number, since it uses less digits than its factorization.

971621596952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152388130 (or 152388126 counting only the distinct ones).

The product of its digits is 18370800, while the sum is 62.

The spelling of 971621596952 in words is "nine hundred seventy-one billion, six hundred twenty-one million, five hundred ninety-six thousand, nine hundred fifty-two".