666015096 has 64 divisors (see below), whose sum is σ = 1721710080. Its totient is φ = 214531200.

The previous prime is 666015083. The next prime is 666015101. The reversal of 666015096 is 690510666.

It is a super-2 number, since 2×666015096² = 887152216199778432, which contains 22 as substring.

It is a congruent number.

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, 131605 + ... + 136571.

It is an arithmetic number, because the mean of its divisors is an integer number (26901720).

Almost surely, 2^666015096 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 666015096, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (860855040).

666015096 is an abundant number, since it is smaller than the sum of its proper divisors (1055694984).

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

666015096 is a wasteful number, since it uses less digits than its factorization.

666015096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5164 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 666015096 is about 25807.2682785296. The cubic root of 666015096 is about 873.2957722646.

The spelling of 666015096 in words is "six hundred sixty-six million, fifteen thousand, ninety-six".