16771640612677 has 32 divisors (see below), whose sum is σ = 18285252710400. Its totient is φ = 15332021299008.

The previous prime is 16771640612659. The next prime is 16771640612743. The reversal of 16771640612677 is 77621604617761.

It is a cyclic number.

It is not a de Polignac number, because 16771640612677 - 2²⁷ = 16771506394949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16771640612647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20477599 + ... + 21280867.

It is an arithmetic number, because the mean of its divisors is an integer number (571414147200).

Almost surely, 2^{16771640612677} is an apocalyptic number.

It is an amenable number.

16771640612677 is a deficient number, since it is larger than the sum of its proper divisors (1513612097723).

16771640612677 is a wasteful number, since it uses less digits than its factorization.

16771640612677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803665.

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 16771640612677 in words is "sixteen trillion, seven hundred seventy-one billion, six hundred forty million, six hundred twelve thousand, six hundred seventy-seven".