2164858967012 has 24 divisors (see below), whose sum is σ = 4411410728256. Its totient is φ = 910291101408.

The previous prime is 2164858966973. The next prime is 2164858967017. The reversal of 2164858967012 is 2107698584612.

It is a super-2 number, since 2×2164858967012² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2164858967017) 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, 729398438 + ... + 729401405.

It is an arithmetic number, because the mean of its divisors is an integer number (183808780344).

Almost surely, 2^{2164858967012} is an apocalyptic number.

It is an amenable number.

2164858967012 is an abundant number, since it is smaller than the sum of its proper divisors (2246551761244).

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

2164858967012 is a wasteful number, since it uses less digits than its factorization.

2164858967012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458799907 (or 1458799905 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 2164858967012 in words is "two trillion, one hundred sixty-four billion, eight hundred fifty-eight million, nine hundred sixty-seven thousand, twelve".