655650270660 has 192 divisors, whose sum is σ = 2423451985920. Its totient is φ = 128224942080.

The previous prime is 655650270641. The next prime is 655650270679. The reversal of 655650270660 is 66072056556.

655650270660 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (655650270641) and next prime (655650270679).

It is a super-3 number, since 3×655650270660³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4095450 + ... + 4252529.

It is an arithmetic number, because the mean of its divisors is an integer number (12622145760).

Almost surely, 2^655650270660 is an apocalyptic number.

655650270660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655650270660 is an abundant number, since it is smaller than the sum of its proper divisors (1767801715260).

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

655650270660 is a wasteful number, since it uses less digits than its factorization.

655650270660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8348026 (or 8348024 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 655650270660 in words is "six hundred fifty-five billion, six hundred fifty million, two hundred seventy thousand, six hundred sixty".