660092928 has 96 divisors (see below), whose sum is σ = 1919998080. Its totient is φ = 200007680.

The previous prime is 660092921. The next prime is 660092929. The reversal of 660092928 is 829290066.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×660092928² = 871445347191226368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 660092928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660092921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62701 + ... + 72467.

It is an arithmetic number, because the mean of its divisors is an integer number (19999980).

Almost surely, 2^660092928 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 660092928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (959999040).

660092928 is an abundant number, since it is smaller than the sum of its proper divisors (1259905152).

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

660092928 is a wasteful number, since it uses less digits than its factorization.

660092928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803 (or 9783 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 660092928 is about 25692.2737024188. The cubic root of 660092928 is about 870.6996301179.

The spelling of 660092928 in words is "six hundred sixty million, ninety-two thousand, nine hundred twenty-eight".