16534798017939 has 48 divisors (see below), whose sum is σ = 24046996207104. Its totient is φ = 10948022467200.

The previous prime is 16534798017923. The next prime is 16534798017943. The reversal of 16534798017939 is 93971089743561.

16534798017939 is a `hidden beast` number, since 1 + 6 + 5 + 3 + 479 + 80 + 1 + 79 + 3 + 9 = 666.

16534798017939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16534798017939 - 2⁴ = 16534798017923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16534798013939) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4313798767 + ... + 4313802599.

It is an arithmetic number, because the mean of its divisors is an integer number (500979087648).

Almost surely, 2^{16534798017939} is an apocalyptic number.

16534798017939 is a deficient number, since it is larger than the sum of its proper divisors (7512198189165).

16534798017939 is a wasteful number, since it uses less digits than its factorization.

16534798017939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8208 (or 8205 counting only the distinct ones).

The product of its (nonzero) digits is 308629440, while the sum is 72.

The spelling of 16534798017939 in words is "sixteen trillion, five hundred thirty-four billion, seven hundred ninety-eight million, seventeen thousand, nine hundred thirty-nine".