16452369668 has 48 divisors (see below), whose sum is σ = 34073894400. Its totient is φ = 6800976000.

The previous prime is 16452369617. The next prime is 16452369677. The reversal of 16452369668 is 86696325461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833918 + ... + 853418.

It is an arithmetic number, because the mean of its divisors is an integer number (709872800).

Almost surely, 2^16452369668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16452369668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17036947200).

16452369668 is an abundant number, since it is smaller than the sum of its proper divisors (17621524732).

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

16452369668 is a wasteful number, since it uses less digits than its factorization.

16452369668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20580 (or 20578 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 56.

The spelling of 16452369668 in words is "sixteen billion, four hundred fifty-two million, three hundred sixty-nine thousand, six hundred sixty-eight".