601107221655 has 24 divisors (see below), whose sum is σ = 1051139716848. Its totient is φ = 317753431296.

The previous prime is 601107221651. The next prime is 601107221681. The reversal of 601107221655 is 556122701106.

601107221655 is a `hidden beast` number, since 601 + 10 + 7 + 22 + 16 + 5 + 5 = 666.

601107221655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 601107221655 - 2² = 601107221651 is a prime.

It is a super-2 number, since 2×601107221655² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601107221651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59100837 + ... + 59111006.

It is an arithmetic number, because the mean of its divisors is an integer number (43797488202).

Almost surely, 2^601107221655 is an apocalyptic number.

601107221655 is a deficient number, since it is larger than the sum of its proper divisors (450032495193).

601107221655 is a wasteful number, since it uses less digits than its factorization.

601107221655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118211967 (or 118211964 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 601107221655 in words is "six hundred one billion, one hundred seven million, two hundred twenty-one thousand, six hundred fifty-five".