623164752 has 180 divisors, whose sum is σ = 2104511136. Its totient is φ = 177992640.

The previous prime is 623164669. The next prime is 623164757. The reversal of 623164752 is 257461326.

623164752 is a `hidden beast` number, since 6 + 2 + 3 + 1 + 647 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623164757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 188877 + ... + 192147.

Almost surely, 2^623164752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623164752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052255568).

623164752 is an abundant number, since it is smaller than the sum of its proper divisors (1481346384).

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

623164752 is a wasteful number, since it uses less digits than its factorization.

623164752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308 (or 3283 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 623164752 is about 24963.2680552847. The cubic root of 623164752 is about 854.1502915642.

The spelling of 623164752 in words is "six hundred twenty-three million, one hundred sixty-four thousand, seven hundred fifty-two".