972162571940 has 24 divisors (see below), whose sum is σ = 2333190172992. Its totient is φ = 333312881760.

The previous prime is 972162571909. The next prime is 972162571943. The reversal of 972162571940 is 49175261279.

It is not an unprimeable number, because it can be changed into a prime (972162571943) 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, 3472009046 + ... + 3472009325.

It is an arithmetic number, because the mean of its divisors is an integer number (97216257208).

Almost surely, 2^972162571940 is an apocalyptic number.

It is an amenable number.

972162571940 is an abundant number, since it is smaller than the sum of its proper divisors (1361027601052).

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

972162571940 is a wasteful number, since it uses less digits than its factorization.

972162571940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944018387 (or 6944018385 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 972162571940 in words is "nine hundred seventy-two billion, one hundred sixty-two million, five hundred seventy-one thousand, nine hundred forty".