16004274064 has 15 divisors (see below), whose sum is σ = 31009261467. Its totient is φ = 8001884016.

The previous prime is 16004274031. The next prime is 16004274107. The reversal of 16004274064 is 46047240061.

The square root of 16004274064 is 126508.

It is a perfect power (a square), and thus also a powerful number.

It is a super-3 number, since 3×16004274064³ (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 an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 490219 + ... + 521845.

Almost surely, 2^16004274064 is an apocalyptic number.

16004274064 is the 126508-th square number.

It is an amenable number.

16004274064 is a deficient number, since it is larger than the sum of its proper divisors (15004987403).

16004274064 is an frugal number, since it uses more digits than its factorization.

16004274064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63262 (or 31629 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 16004274064 in words is "sixteen billion, four million, two hundred seventy-four thousand, sixty-four".