668770454130 has 32 divisors (see below), whose sum is σ = 1606633614144. Its totient is φ = 178162729536.

The previous prime is 668770454029. The next prime is 668770454179. The reversal of 668770454130 is 31454077866.

It is a happy number.

It is a super-3 number, since 3×668770454130³ (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 15 ways as a sum of consecutive naturals, for example, 10972744 + ... + 11033523.

It is an arithmetic number, because the mean of its divisors is an integer number (50207300442).

Almost surely, 2^668770454130 is an apocalyptic number.

668770454130 is an abundant number, since it is smaller than the sum of its proper divisors (937863160014).

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

668770454130 is a wasteful number, since it uses less digits than its factorization.

668770454130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007290.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 668770454130 in words is "six hundred sixty-eight billion, seven hundred seventy million, four hundred fifty-four thousand, one hundred thirty".