655066156165 has 8 divisors (see below), whose sum is σ = 804360303648. Its totient is φ = 511865647440.

The previous prime is 655066156139. The next prime is 655066156189. The reversal of 655066156165 is 561651660556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655066156165 - 2¹⁷ = 655066025093 is a prime.

It is a super-2 number, since 2×655066156165² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523409451 + ... + 1523409880.

It is an arithmetic number, because the mean of its divisors is an integer number (100545037956).

Almost surely, 2^655066156165 is an apocalyptic number.

It is an amenable number.

655066156165 is a deficient number, since it is larger than the sum of its proper divisors (149294147483).

655066156165 is a wasteful number, since it uses less digits than its factorization.

655066156165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3046819379.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 655066156165 in words is "six hundred fifty-five billion, sixty-six million, one hundred fifty-six thousand, one hundred sixty-five".