164025750 has 128 divisors (see below), whose sum is σ = 473241600. Its totient is φ = 37065600.

The previous prime is 164025737. The next prime is 164025761. The reversal of 164025750 is 57520461.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 824151 + ... + 824349.

It is an arithmetic number, because the mean of its divisors is an integer number (3697200).

Almost surely, 2^164025750 is an apocalyptic number.

164025750 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 164025750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236620800).

164025750 is an abundant number, since it is smaller than the sum of its proper divisors (309215850).

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

164025750 is a wasteful number, since it uses less digits than its factorization.

164025750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 164025750 is about 12807.2538039972. The cubic root of 164025750 is about 547.3990139216.

The spelling of 164025750 in words is "one hundred sixty-four million, twenty-five thousand, seven hundred fifty".