20116756613677 has 16 divisors (see below), whose sum is σ = 21349786222080. Its totient is φ = 18913672169392.

The previous prime is 20116756613659. The next prime is 20116756613717. The reversal of 20116756613677 is 77631665761102.

It is a cyclic number.

It is not a de Polignac number, because 20116756613677 - 2¹¹ = 20116756611629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116756613617) 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, 10286538 + ... + 12084964.

It is an arithmetic number, because the mean of its divisors is an integer number (1334361638880).

Almost surely, 2^{20116756613677} is an apocalyptic number.

It is an amenable number.

20116756613677 is a deficient number, since it is larger than the sum of its proper divisors (1233029608403).

20116756613677 is a wasteful number, since it uses less digits than its factorization.

20116756613677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806752.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 20116756613677 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-six million, six hundred thirteen thousand, six hundred seventy-seven".