16321674274 has 32 divisors (see below), whose sum is σ = 25027035264. Its totient is φ = 7981735680.

The previous prime is 16321674203. The next prime is 16321674277. The reversal of 16321674274 is 47247612361.

It is a super-2 number, since 2×16321674274² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16321674274.

It is not an unprimeable number, because it can be changed into a prime (16321674277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7551754 + ... + 7553914.

It is an arithmetic number, because the mean of its divisors is an integer number (782094852).

Almost surely, 2^16321674274 is an apocalyptic number.

16321674274 is a deficient number, since it is larger than the sum of its proper divisors (8705360990).

16321674274 is a wasteful number, since it uses less digits than its factorization.

16321674274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682.

The product of its digits is 338688, while the sum is 43.

The spelling of 16321674274 in words is "sixteen billion, three hundred twenty-one million, six hundred seventy-four thousand, two hundred seventy-four".