16074886321 has 4 divisors (see below), whose sum is σ = 17311416052. Its totient is φ = 14838356592.

The previous prime is 16074886313. The next prime is 16074886363. The reversal of 16074886321 is 12368847061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6400000000 + 9674886321 = 80000^2 + 98361^2 .

It is a cyclic number.

It is not a de Polignac number, because 16074886321 - 2³ = 16074886313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16074886021) 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, 618264846 + ... + 618264871.

It is an arithmetic number, because the mean of its divisors is an integer number (4327854013).

Almost surely, 2^16074886321 is an apocalyptic number.

It is an amenable number.

16074886321 is a deficient number, since it is larger than the sum of its proper divisors (1236529731).

16074886321 is a wasteful number, since it uses less digits than its factorization.

16074886321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236529730.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 16074886321 in words is "sixteen billion, seventy-four million, eight hundred eighty-six thousand, three hundred twenty-one".