16049139775 has 12 divisors (see below), whose sum is σ = 19918784392. Its totient is φ = 12827795040.

The previous prime is 16049139767. The next prime is 16049139779. The reversal of 16049139775 is 57793194061.

It is not a de Polignac number, because 16049139775 - 2³ = 16049139767 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 (16049139779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 259437 + ... + 315286.

Almost surely, 2^16049139775 is an apocalyptic number.

16049139775 is a deficient number, since it is larger than the sum of its proper divisors (3869644617).

16049139775 is a wasteful number, since it uses less digits than its factorization.

16049139775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575850 (or 575845 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 16049139775 in words is "sixteen billion, forty-nine million, one hundred thirty-nine thousand, seven hundred seventy-five".