164553453566 has 8 divisors (see below), whose sum is σ = 246852476640. Its totient is φ = 82269294688.

The previous prime is 164553453541. The next prime is 164553453587. The reversal of 164553453566 is 665354355461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3688331 + ... + 3732678.

It is an arithmetic number, because the mean of its divisors is an integer number (30856559580).

Almost surely, 2^164553453566 is an apocalyptic number.

164553453566 is a deficient number, since it is larger than the sum of its proper divisors (82299023074).

164553453566 is a wasteful number, since it uses less digits than its factorization.

164553453566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7432098.

The product of its digits is 19440000, while the sum is 53.

The spelling of 164553453566 in words is "one hundred sixty-four billion, five hundred fifty-three million, four hundred fifty-three thousand, five hundred sixty-six".