2164702920576 has 128 divisors (see below), whose sum is σ = 6705530592000. Its totient is φ = 618486511104.

The previous prime is 2164702920551. The next prime is 2164702920577. The reversal of 2164702920576 is 6750292074612.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2164702920577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8085850 + ... + 8349273.

It is an arithmetic number, because the mean of its divisors is an integer number (52386957750).

Almost surely, 2^{2164702920576} is an apocalyptic number.

It is an amenable number.

2164702920576 is an abundant number, since it is smaller than the sum of its proper divisors (4540827671424).

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

2164702920576 is an equidigital number, since it uses as much as digits as its factorization.

2164702920576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16435161 (or 16435135 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 51.

The spelling of 2164702920576 in words is "two trillion, one hundred sixty-four billion, seven hundred two million, nine hundred twenty thousand, five hundred seventy-six".