601665628008 has 16 divisors (see below), whose sum is σ = 1504164070080. Its totient is φ = 200555209328.

The previous prime is 601665628007. The next prime is 601665628021. The reversal of 601665628008 is 800826566106.

It is a happy number.

It is a super-2 number, since 2×601665628008² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601665628007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12534700560 + ... + 12534700607.

It is an arithmetic number, because the mean of its divisors is an integer number (94010254380).

Almost surely, 2^601665628008 is an apocalyptic number.

It is an amenable number.

601665628008 is an abundant number, since it is smaller than the sum of its proper divisors (902498442072).

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

601665628008 is a wasteful number, since it uses less digits than its factorization.

601665628008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25069401176 (or 25069401172 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 601665628008 in words is "six hundred one billion, six hundred sixty-five million, six hundred twenty-eight thousand, eight".