16091074931 has 4 divisors (see below), whose sum is σ = 16206838200. Its totient is φ = 15975311664.

The previous prime is 16091074877. The next prime is 16091074933. The reversal of 16091074931 is 13947019061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13947019061 = 15527 ⋅898243.

It is a cyclic number.

It is not a de Polignac number, because 16091074931 - 2²² = 16086880627 is a prime.

It is a super-3 number, since 3×16091074931³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16091074933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57881426 + ... + 57881703.

It is an arithmetic number, because the mean of its divisors is an integer number (4051709550).

Almost surely, 2^16091074931 is an apocalyptic number.

16091074931 is a deficient number, since it is larger than the sum of its proper divisors (115763269).

16091074931 is a wasteful number, since it uses less digits than its factorization.

16091074931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115763268.

The product of its (nonzero) digits is 40824, while the sum is 41.

The spelling of 16091074931 in words is "sixteen billion, ninety-one million, seventy-four thousand, nine hundred thirty-one".