164238750 has 120 divisors (see below), whose sum is σ = 479302824. Its totient is φ = 40392000.

The previous prime is 164238733. The next prime is 164238817. The reversal of 164238750 is 57832461.

164238750 is a `hidden beast` number, since 1 + 642 + 3 + 8 + 7 + 5 + 0 = 666.

164238750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 145689 + ... + 146811.

Almost surely, 2^164238750 is an apocalyptic number.

164238750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 164238750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239651412).

164238750 is an abundant number, since it is smaller than the sum of its proper divisors (315064074).

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

164238750 is a wasteful number, since it uses less digits than its factorization.

164238750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 164238750 is about 12815.5667061586. The cubic root of 164238750 is about 547.6358579471.

The spelling of 164238750 in words is "one hundred sixty-four million, two hundred thirty-eight thousand, seven hundred fifty".