655601516145 has 64 divisors (see below), whose sum is σ = 1234982246400. Its totient is φ = 329057380800.

The previous prime is 655601516117. The next prime is 655601516159. The reversal of 655601516145 is 541615106556.

655601516145 is a `hidden beast` number, since 6 + 556 + 0 + 1 + 51 + 6 + 1 + 45 = 666.

655601516145 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 655601516145 - 2⁸ = 655601515889 is a prime.

It is a super-2 number, since 2×655601516145² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 655601516145.

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, 459027 + ... + 1233656.

It is an arithmetic number, because the mean of its divisors is an integer number (19296597600).

Almost surely, 2^655601516145 is an apocalyptic number.

It is an amenable number.

655601516145 is a deficient number, since it is larger than the sum of its proper divisors (579380730255).

655601516145 is a wasteful number, since it uses less digits than its factorization.

655601516145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1692867 (or 1692861 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 45.

The spelling of 655601516145 in words is "six hundred fifty-five billion, six hundred one million, five hundred sixteen thousand, one hundred forty-five".