655072556187 has 16 divisors (see below), whose sum is σ = 998300194560. Its totient is φ = 374291776992.

The previous prime is 655072556161. The next prime is 655072556207. The reversal of 655072556187 is 781655270556.

It is not a de Polignac number, because 655072556187 - 2¹⁵ = 655072523419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (655072556287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1246737 + ... + 1692482.

It is an arithmetic number, because the mean of its divisors is an integer number (62393762160).

Almost surely, 2^655072556187 is an apocalyptic number.

655072556187 is a deficient number, since it is larger than the sum of its proper divisors (343227638373).

655072556187 is a wasteful number, since it uses less digits than its factorization.

655072556187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949842.

The product of its (nonzero) digits is 17640000, while the sum is 57.

The spelling of 655072556187 in words is "six hundred fifty-five billion, seventy-two million, five hundred fifty-six thousand, one hundred eighty-seven".