9972566095908 has 24 divisors (see below), whose sum is σ = 25059268651648. Its totient is φ = 3068481875616.

The previous prime is 9972566095853. The next prime is 9972566095909. The reversal of 9972566095908 is 8095906652799.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9972566095908.

It is not an unprimeable number, because it can be changed into a prime (9972566095909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31963352716 + ... + 31963353027.

Almost surely, 2^{9972566095908} is an apocalyptic number.

It is an amenable number.

9972566095908 is an abundant number, since it is smaller than the sum of its proper divisors (15086702555740).

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

9972566095908 is a wasteful number, since it uses less digits than its factorization.

9972566095908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63926705763 (or 63926705761 counting only the distinct ones).

The product of its (nonzero) digits is 661348800, while the sum is 75.

The spelling of 9972566095908 in words is "nine trillion, nine hundred seventy-two billion, five hundred sixty-six million, ninety-five thousand, nine hundred eight".