164626655 has 8 divisors (see below), whose sum is σ = 198288000. Its totient is φ = 131210656.

The previous prime is 164626643. The next prime is 164626687. The reversal of 164626655 is 556626461.

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 164626655 - 2¹² = 164622559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59855 + ... + 62544.

It is an arithmetic number, because the mean of its divisors is an integer number (24786000).

Almost surely, 2^164626655 is an apocalyptic number.

164626655 is a deficient number, since it is larger than the sum of its proper divisors (33661345).

164626655 is a wasteful number, since it uses less digits than its factorization.

164626655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122673.

The product of its digits is 259200, while the sum is 41.

The square root of 164626655 is about 12830.6919143123. The cubic root of 164626655 is about 548.0666609994.

The spelling of 164626655 in words is "one hundred sixty-four million, six hundred twenty-six thousand, six hundred fifty-five".