2164858967070 has 48 divisors (see below), whose sum is σ = 5671600011792. Its totient is φ = 572888883840.

The previous prime is 2164858967017. The next prime is 2164858967071. The reversal of 2164858967070 is 707698584612.

2164858967070 is a `hidden beast` number, since 2 + 1 + 6 + 48 + 589 + 6 + 7 + 0 + 7 + 0 = 666.

It is a super-2 number, since 2×2164858967070² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2164858966989 and 2164858967007.

It is a congruent number.

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

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91797327 + ... + 91820906.

It is an arithmetic number, because the mean of its divisors is an integer number (118158333579).

Almost surely, 2^{2164858967070} is an apocalyptic number.

2164858967070 is an abundant number, since it is smaller than the sum of its proper divisors (3506741044722).

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

2164858967070 is a wasteful number, since it uses less digits than its factorization.

2164858967070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183618377 (or 183618374 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 63.

The spelling of 2164858967070 in words is "two trillion, one hundred sixty-four billion, eight hundred fifty-eight million, nine hundred sixty-seven thousand, seventy".