16764616077 has 32 divisors (see below), whose sum is σ = 25369903104. Its totient is φ = 9755121600.

The previous prime is 16764615961. The next prime is 16764616091. The reversal of 16764616077 is 77061646761.

It is not a de Polignac number, because 16764616077 - 2¹⁸ = 16764353933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16764616777) 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, 65403 + ... + 194439.

It is an arithmetic number, because the mean of its divisors is an integer number (792809472).

Almost surely, 2^16764616077 is an apocalyptic number.

It is an amenable number.

16764616077 is a deficient number, since it is larger than the sum of its proper divisors (8605287027).

16764616077 is a wasteful number, since it uses less digits than its factorization.

16764616077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129209.

The product of its (nonzero) digits is 1778112, while the sum is 51.

The spelling of 16764616077 in words is "sixteen billion, seven hundred sixty-four million, six hundred sixteen thousand, seventy-seven".