2164858967072 has 48 divisors (see below), whose sum is σ = 4303781838720. Its totient is φ = 1071836654592.

The previous prime is 2164858967071. The next prime is 2164858967093. The reversal of 2164858967072 is 2707698584612.

It is a super-2 number, since 2×2164858967072² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164858967071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79462829 + ... + 79490067.

It is an arithmetic number, because the mean of its divisors is an integer number (89662121640).

Almost surely, 2^{2164858967072} is an apocalyptic number.

It is an amenable number.

2164858967072 is a deficient number, since it is larger than the sum of its proper divisors (2138922871648).

2164858967072 is a wasteful number, since it uses less digits than its factorization.

2164858967072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51465 (or 51457 counting only the distinct ones).

The product of its (nonzero) digits is 81285120, while the sum is 65.

The spelling of 2164858967072 in words is "two trillion, one hundred sixty-four billion, eight hundred fifty-eight million, nine hundred sixty-seven thousand, seventy-two".