164533153944 has 32 divisors (see below), whose sum is σ = 411609222000. Its totient is φ = 54807539712.

The previous prime is 164533153937. The next prime is 164533153973. The reversal of 164533153944 is 449351335461.

It is a junction number, because it is equal to n+sod(n) for n = 164533153893 and 164533153902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2266329 + ... + 2337800.

Almost surely, 2^164533153944 is an apocalyptic number.

It is an amenable number.

164533153944 is an abundant number, since it is smaller than the sum of its proper divisors (247076068056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164533153944 is a wasteful number, since it uses less digits than its factorization.

164533153944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4605627 (or 4605623 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 48.

The spelling of 164533153944 in words is "one hundred sixty-four billion, five hundred thirty-three million, one hundred fifty-three thousand, nine hundred forty-four".