2153636104566 has 64 divisors (see below), whose sum is σ = 4406405971968. Its totient is φ = 701409665568.

The previous prime is 2153636104541. The next prime is 2153636104573. The reversal of 2153636104566 is 6654016363512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538003521 + ... + 538007523.

It is an arithmetic number, because the mean of its divisors is an integer number (68850093312).

Almost surely, 2^{2153636104566} is an apocalyptic number.

2153636104566 is an abundant number, since it is smaller than the sum of its proper divisors (2252769867402).

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

2153636104566 is a wasteful number, since it uses less digits than its factorization.

2153636104566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825.

The product of its (nonzero) digits is 2332800, while the sum is 48.

The spelling of 2153636104566 in words is "two trillion, one hundred fifty-three billion, six hundred thirty-six million, one hundred four thousand, five hundred sixty-six".