9962197871640 has 128 divisors (see below), whose sum is σ = 34334935326720. Its totient is φ = 2265151910400.

The previous prime is 9962197871603. The next prime is 9962197871767. The reversal of 9962197871640 is 461787912699.

It is a Smith number, since the sum of its digits (69) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30886051 + ... + 31206930.

It is an arithmetic number, because the mean of its divisors is an integer number (268241682240).

Almost surely, 2^{9962197871640} is an apocalyptic number.

It is an amenable number.

9962197871640 is an abundant number, since it is smaller than the sum of its proper divisors (24372737455080).

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

9962197871640 is a wasteful number, since it uses less digits than its factorization.

9962197871640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62093193 (or 62093189 counting only the distinct ones).

The product of its (nonzero) digits is 82301184, while the sum is 69.

The spelling of 9962197871640 in words is "nine trillion, nine hundred sixty-two billion, one hundred ninety-seven million, eight hundred seventy-one thousand, six hundred forty".