660553163160 has 128 divisors (see below), whose sum is σ = 2214537615360. Its totient is φ = 156228377600.

The previous prime is 660553163131. The next prime is 660553163161. The reversal of 660553163160 is 61361355066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660553163161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6048552 + ... + 6156791.

It is an arithmetic number, because the mean of its divisors is an integer number (17301075120).

Almost surely, 2^660553163160 is an apocalyptic number.

660553163160 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660553163160 is an abundant number, since it is smaller than the sum of its proper divisors (1553984452200).

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

660553163160 is a wasteful number, since it uses less digits than its factorization.

660553163160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12205409 (or 12205405 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 660553163160 in words is "six hundred sixty billion, five hundred fifty-three million, one hundred sixty-three thousand, one hundred sixty".