656000155 has 8 divisors (see below), whose sum is σ = 814345200. Its totient is φ = 506703456.

The previous prime is 656000153. The next prime is 656000167. The reversal of 656000155 is 551000656.

656000155 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 656000155 - 2¹ = 656000153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (656000153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261925 + ... + 2262214.

It is an arithmetic number, because the mean of its divisors is an integer number (101793150).

Almost surely, 2^656000155 is an apocalyptic number.

656000155 is a deficient number, since it is larger than the sum of its proper divisors (158345045).

656000155 is a wasteful number, since it uses less digits than its factorization.

656000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524173.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 656000155 is about 25612.4999755979. The cubic root of 656000155 is about 868.8963655881.

The spelling of 656000155 in words is "six hundred fifty-six million, one hundred fifty-five", and thus it is an aban number.