16038664277 has 24 divisors (see below), whose sum is σ = 16863904512. Its totient is φ = 15250779840.

The previous prime is 16038664247. The next prime is 16038664321. The reversal of 16038664277 is 77246683061.

It is not a de Polignac number, because 16038664277 - 2²⁸ = 15770228821 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 (16038664247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18584348 + ... + 18585210.

It is an arithmetic number, because the mean of its divisors is an integer number (702662688).

Almost surely, 2^16038664277 is an apocalyptic number.

It is an amenable number.

16038664277 is a deficient number, since it is larger than the sum of its proper divisors (825240235).

16038664277 is an equidigital number, since it uses as much as digits as its factorization.

16038664277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 16038664277 in words is "sixteen billion, thirty-eight million, six hundred sixty-four thousand, two hundred seventy-seven".