164920392048 has 40 divisors (see below), whose sum is σ = 429814664208. Its totient is φ = 54486971392.

The previous prime is 164920391981. The next prime is 164920392053. The reversal of 164920392048 is 840293029461.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 164920391988 and 164920392006.

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, 15197415 + ... + 15208262.

Almost surely, 2^164920392048 is an apocalyptic number.

It is an amenable number.

164920392048 is an abundant number, since it is smaller than the sum of its proper divisors (264894272160).

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

164920392048 is a wasteful number, since it uses less digits than its factorization.

164920392048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30405801 (or 30405795 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 164920392048 in words is "one hundred sixty-four billion, nine hundred twenty million, three hundred ninety-two thousand, forty-eight".