16626465460 has 96 divisors (see below), whose sum is σ = 40370254848. Its totient is φ = 5684705280.

The previous prime is 16626465433. The next prime is 16626465539. The reversal of 16626465460 is 6456462661.

It is a self number, because there is not a number n which added to its sum of digits gives 16626465460.

It is a congruent number.

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, 5859162 + ... + 5861998.

It is an arithmetic number, because the mean of its divisors is an integer number (420523488).

Almost surely, 2^16626465460 is an apocalyptic number.

16626465460 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 16626465460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20185127424).

16626465460 is an abundant number, since it is smaller than the sum of its proper divisors (23743789388).

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

16626465460 is a wasteful number, since it uses less digits than its factorization.

16626465460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4441 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 16626465460 in words is "sixteen billion, six hundred twenty-six million, four hundred sixty-five thousand, four hundred sixty".