20116723514637 has 16 divisors (see below), whose sum is σ = 28240957568960. Its totient is φ = 12702167217792.

The previous prime is 20116723514623. The next prime is 20116723514647. The reversal of 20116723514637 is 73641532761102.

It is not a de Polignac number, because 20116723514637 - 2⁴ = 20116723514621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116723514647) 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, 43264558 + ... + 43727055.

It is an arithmetic number, because the mean of its divisors is an integer number (1765059848060).

Almost surely, 2^{20116723514637} is an apocalyptic number.

It is an amenable number.

20116723514637 is a deficient number, since it is larger than the sum of its proper divisors (8124234054323).

20116723514637 is a wasteful number, since it uses less digits than its factorization.

20116723514637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86995692.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 20116723514637 in words is "twenty trillion, one hundred sixteen billion, seven hundred twenty-three million, five hundred fourteen thousand, six hundred thirty-seven".