164074426450 has 48 divisors (see below), whose sum is σ = 352505589984. Its totient is φ = 56153811200.

The previous prime is 164074426429. The next prime is 164074426457. The reversal of 164074426450 is 54624470461.

It is a junction number, because it is equal to n+sod(n) for n = 164074426397 and 164074426406.

It is not an unprimeable number, because it can be changed into a prime (164074426457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8764684 + ... + 8783383.

It is an arithmetic number, because the mean of its divisors is an integer number (7343866458).

Almost surely, 2^164074426450 is an apocalyptic number.

164074426450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

164074426450 is an abundant number, since it is smaller than the sum of its proper divisors (188431163534).

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

164074426450 is a wasteful number, since it uses less digits than its factorization.

164074426450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548107 (or 17548102 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 164074426450 in words is "one hundred sixty-four billion, seventy-four million, four hundred twenty-six thousand, four hundred fifty".