164500265506 has 8 divisors (see below), whose sum is σ = 248934030444. Its totient is φ = 81522255360.

The previous prime is 164500265497. The next prime is 164500265539. The reversal of 164500265506 is 605562005461.

164500265506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 152088300225 + 12411965281 = 389985^2 + 111409^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 363938415 + ... + 363938866.

Almost surely, 2^164500265506 is an apocalyptic number.

164500265506 is a deficient number, since it is larger than the sum of its proper divisors (84433764938).

164500265506 is a wasteful number, since it uses less digits than its factorization.

164500265506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727877396.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 164500265506 in words is "one hundred sixty-four billion, five hundred million, two hundred sixty-five thousand, five hundred six".