655101672155 has 32 divisors (see below), whose sum is σ = 932530679808. Its totient is φ = 432319939200.

The previous prime is 655101672149. The next prime is 655101672179. The reversal of 655101672155 is 551276101556.

655101672155 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 655101672155 - 2⁴ = 655101672139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1471517 + ... + 1864286.

It is an arithmetic number, because the mean of its divisors is an integer number (29141583744).

Almost surely, 2^655101672155 is an apocalyptic number.

655101672155 is a deficient number, since it is larger than the sum of its proper divisors (277429007653).

655101672155 is a wasteful number, since it uses less digits than its factorization.

655101672155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336027.

The product of its (nonzero) digits is 315000, while the sum is 44.

The spelling of 655101672155 in words is "six hundred fifty-five billion, one hundred one million, six hundred seventy-two thousand, one hundred fifty-five".