16331315660 has 96 divisors (see below), whose sum is σ = 38069885952. Its totient is φ = 5834949120.

The previous prime is 16331315639. The next prime is 16331315719. The reversal of 16331315660 is 6651313361.

It is a super-2 number, since 2×16331315660² (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 16331315660.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6823424 + ... + 6825816.

It is an arithmetic number, because the mean of its divisors is an integer number (396561312).

Almost surely, 2^16331315660 is an apocalyptic number.

16331315660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16331315660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19034942976).

16331315660 is an abundant number, since it is smaller than the sum of its proper divisors (21738570292).

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

16331315660 is a wasteful number, since it uses less digits than its factorization.

16331315660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 16331315660 in words is "sixteen billion, three hundred thirty-one million, three hundred fifteen thousand, six hundred sixty".