1836926561664 has 48 divisors (see below), whose sum is σ = 5285947531020. Its totient is φ = 612308853504.

The previous prime is 1836926561653. The next prime is 1836926561797. The reversal of 1836926561664 is 4661656296381.

1836926561664 is a `hidden beast` number, since 1 + 8 + 3 + 6 + 9 + 2 + 6 + 5 + 616 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 797276002 + ... + 797278305.

Almost surely, 2^{1836926561664} is an apocalyptic number.

It is an amenable number.

1836926561664 is an abundant number, since it is smaller than the sum of its proper divisors (3449020969356).

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

1836926561664 is a wasteful number, since it uses less digits than its factorization.

1836926561664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594554327 (or 1594554312 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 1836926561664 in words is "one trillion, eight hundred thirty-six billion, nine hundred twenty-six million, five hundred sixty-one thousand, six hundred sixty-four".