164555763 has 8 divisors (see below), whose sum is σ = 219474576. Its totient is φ = 109670400.

The previous prime is 164555759. The next prime is 164555771. The reversal of 164555763 is 367555461.

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

It is not a de Polignac number, because 164555763 - 2² = 164555759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164555753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7323 + ... + 19563.

It is an arithmetic number, because the mean of its divisors is an integer number (27434322).

Almost surely, 2^164555763 is an apocalyptic number.

164555763 is a deficient number, since it is larger than the sum of its proper divisors (54918813).

164555763 is a wasteful number, since it uses less digits than its factorization.

164555763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16725.

The product of its digits is 378000, while the sum is 42.

The square root of 164555763 is about 12827.9290222545. The cubic root of 164555763 is about 547.9879796944.

The spelling of 164555763 in words is "one hundred sixty-four million, five hundred fifty-five thousand, seven hundred sixty-three".