15218466966 has 96 divisors (see below), whose sum is σ = 34537950720. Its totient is φ = 4838315328.

The previous prime is 15218466953. The next prime is 15218466973. The reversal of 15218466966 is 66966481251.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10663945 + ... + 10665371.

It is an arithmetic number, because the mean of its divisors is an integer number (359770320).

Almost surely, 2^15218466966 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15218466966, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17268975360).

15218466966 is an abundant number, since it is smaller than the sum of its proper divisors (19319483754).

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

15218466966 is a wasteful number, since it uses less digits than its factorization.

15218466966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1775 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 15218466966 in words is "fifteen billion, two hundred eighteen million, four hundred sixty-six thousand, nine hundred sixty-six".