2176197472464 has 40 divisors (see below), whose sum is σ = 5625216108960. Its totient is φ = 724963978368.

The previous prime is 2176197472451. The next prime is 2176197472469. The reversal of 2176197472464 is 4642747916712.

It is a junction number, because it is equal to n+sod(n) for n = 2176197472398 and 2176197472407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2176197472469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13518499 + ... + 13678530.

It is an arithmetic number, because the mean of its divisors is an integer number (140630402724).

Almost surely, 2^{2176197472464} is an apocalyptic number.

2176197472464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2176197472464 is an abundant number, since it is smaller than the sum of its proper divisors (3449018636496).

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

2176197472464 is a wasteful number, since it uses less digits than its factorization.

2176197472464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27198707 (or 27198701 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 60.

The spelling of 2176197472464 in words is "two trillion, one hundred seventy-six billion, one hundred ninety-seven million, four hundred seventy-two thousand, four hundred sixty-four".