15466605616 has 160 divisors (see below), whose sum is σ = 38662525440. Its totient is φ = 5818521600.

The previous prime is 15466605607. The next prime is 15466605647. The reversal of 15466605616 is 61650666451.

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, 6334956 + ... + 6337396.

It is an arithmetic number, because the mean of its divisors is an integer number (241640784).

Almost surely, 2^15466605616 is an apocalyptic number.

15466605616 is a gapful number since it is divisible by the number (16) 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 15466605616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19331262720).

15466605616 is an abundant number, since it is smaller than the sum of its proper divisors (23195919824).

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

15466605616 is a wasteful number, since it uses less digits than its factorization.

15466605616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 15466605616 in words is "fifteen billion, four hundred sixty-six million, six hundred five thousand, six hundred sixteen".