16736509674 has 12 divisors (see below), whose sum is σ = 36262437666. Its totient is φ = 5578836552.

The previous prime is 16736509649. The next prime is 16736509693. The reversal of 16736509674 is 47690563761.

It is a happy number.

16736509674 is a `hidden beast` number, since 1 + 6 + 73 + 6 + 509 + 67 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15664274649 + 1072235025 = 125157^2 + 32745^2 .

It is a super-2 number, since 2×16736509674² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 16736509674.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464903029 + ... + 464903064.

Almost surely, 2^16736509674 is an apocalyptic number.

16736509674 is an abundant number, since it is smaller than the sum of its proper divisors (19525927992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16736509674 is a wasteful number, since it uses less digits than its factorization.

16736509674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929806101 (or 929806098 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 54.

The spelling of 16736509674 in words is "sixteen billion, seven hundred thirty-six million, five hundred nine thousand, six hundred seventy-four".