16204716877 has 16 divisors (see below), whose sum is σ = 17059280112. Its totient is φ = 15372564480.

The previous prime is 16204716839. The next prime is 16204716887. The reversal of 16204716877 is 77861740261.

It can be written as a sum of positive squares in 8 ways, for example, as 861187716 + 15343529161 = 29346^2 + 123869^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16204716877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16204716877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16204716817) 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, 3992233 + ... + 3996289.

It is an arithmetic number, because the mean of its divisors is an integer number (1066205007).

Almost surely, 2^16204716877 is an apocalyptic number.

It is an amenable number.

16204716877 is a deficient number, since it is larger than the sum of its proper divisors (854563235).

16204716877 is a wasteful number, since it uses less digits than its factorization.

16204716877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 790272, while the sum is 49.

The spelling of 16204716877 in words is "sixteen billion, two hundred four million, seven hundred sixteen thousand, eight hundred seventy-seven".