16722736604 has 12 divisors (see below), whose sum is σ = 33445473264. Its totient is φ = 7166887104.

The previous prime is 16722736577. The next prime is 16722736609. The reversal of 16722736604 is 40663722761.

16722736604 is an admirable number.

It is a super-2 number, since 2×16722736604² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16722736609) 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, 298620269 + ... + 298620324.

It is an arithmetic number, because the mean of its divisors is an integer number (2787122772).

Almost surely, 2^16722736604 is an apocalyptic number.

16722736604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16722736604 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

16722736604 is a wasteful number, since it uses less digits than its factorization.

16722736604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597240604 (or 597240602 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 16722736604 in words is "sixteen billion, seven hundred twenty-two million, seven hundred thirty-six thousand, six hundred four".