164331094720 has 112 divisors (see below), whose sum is σ = 421813744128. Its totient is φ = 60618608640.

The previous prime is 164331094699. The next prime is 164331094723. The reversal of 164331094720 is 27490133461.

It is a super-2 number, since 2×164331094720² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (164331094723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4503750 + ... + 4540090.

It is an arithmetic number, because the mean of its divisors is an integer number (3766194144).

Almost surely, 2^164331094720 is an apocalyptic number.

164331094720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164331094720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210906872064).

164331094720 is an abundant number, since it is smaller than the sum of its proper divisors (257482649408).

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

164331094720 is a wasteful number, since it uses less digits than its factorization.

164331094720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37458 (or 37448 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 164331094720 in words is "one hundred sixty-four billion, three hundred thirty-one million, ninety-four thousand, seven hundred twenty".