2101662130164 has 12 divisors (see below), whose sum is σ = 4903878303744. Its totient is φ = 700554043384.

The previous prime is 2101662130097. The next prime is 2101662130171. The reversal of 2101662130164 is 4610312661012.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87569255412 + ... + 87569255435.

It is an arithmetic number, because the mean of its divisors is an integer number (408656525312).

Almost surely, 2^{2101662130164} is an apocalyptic number.

It is an amenable number.

2101662130164 is an abundant number, since it is smaller than the sum of its proper divisors (2802216173580).

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

2101662130164 is a wasteful number, since it uses less digits than its factorization.

2101662130164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175138510854 (or 175138510852 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

Adding to 2101662130164 its reverse (4610312661012), we get a palindrome (6711974791176).

The spelling of 2101662130164 in words is "two trillion, one hundred one billion, six hundred sixty-two million, one hundred thirty thousand, one hundred sixty-four".