2153626236664 has 32 divisors (see below), whose sum is σ = 4622695751520. Its totient is φ = 921426195456.

The previous prime is 2153626236631. The next prime is 2153626236683. The reversal of 2153626236664 is 4666326263512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32393109 + ... + 32459524.

It is an arithmetic number, because the mean of its divisors is an integer number (144459242235).

Almost surely, 2^{2153626236664} is an apocalyptic number.

It is an amenable number.

2153626236664 is an abundant number, since it is smaller than the sum of its proper divisors (2469069514856).

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

2153626236664 is a wasteful number, since it uses less digits than its factorization.

2153626236664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64853239 (or 64853235 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 52.

The spelling of 2153626236664 in words is "two trillion, one hundred fifty-three billion, six hundred twenty-six million, two hundred thirty-six thousand, six hundred sixty-four".