655055379168 has 48 divisors (see below), whose sum is σ = 1751964164496. Its totient is φ = 214231946240.

The previous prime is 655055379101. The next prime is 655055379179. The reversal of 655055379168 is 861973550556.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×655055379168³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64367493 + ... + 64377668.

It is an arithmetic number, because the mean of its divisors is an integer number (36499253427).

Almost surely, 2^655055379168 is an apocalyptic number.

It is an amenable number.

655055379168 is an abundant number, since it is smaller than the sum of its proper divisors (1096908785328).

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

655055379168 is a wasteful number, since it uses less digits than its factorization.

655055379168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128745227 (or 128745219 counting only the distinct ones).

The product of its (nonzero) digits is 34020000, while the sum is 60.

The spelling of 655055379168 in words is "six hundred fifty-five billion, fifty-five million, three hundred seventy-nine thousand, one hundred sixty-eight".