16274694736 has 40 divisors (see below), whose sum is σ = 32142708360. Its totient is φ = 7979951616.

The previous prime is 16274694721. The next prime is 16274694767. The reversal of 16274694736 is 63749647261.

It can be written as a sum of positive squares in 4 ways, for example, as 4161600 + 16270533136 = 2040^2 + 127556^2 .

It is a super-2 number, since 2×16274694736² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633346 + ... + 2639518.

It is an arithmetic number, because the mean of its divisors is an integer number (803567709).

Almost surely, 2^16274694736 is an apocalyptic number.

16274694736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16274694736 is a deficient number, since it is larger than the sum of its proper divisors (15868013624).

16274694736 is a wasteful number, since it uses less digits than its factorization.

16274694736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343 (or 9337 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 55.

The spelling of 16274694736 in words is "sixteen billion, two hundred seventy-four million, six hundred ninety-four thousand, seven hundred thirty-six".