164091155232 has 192 divisors, whose sum is σ = 471337574400. Its totient is φ = 49760931840.

The previous prime is 164091155183. The next prime is 164091155237. The reversal of 164091155232 is 232551190461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (164091155237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66729619 + ... + 66732077.

It is an arithmetic number, because the mean of its divisors is an integer number (2454883200).

Almost surely, 2^164091155232 is an apocalyptic number.

164091155232 is a gapful number since it is divisible by the number (12) 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 164091155232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (235668787200).

164091155232 is an abundant number, since it is smaller than the sum of its proper divisors (307246419168).

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

164091155232 is a wasteful number, since it uses less digits than its factorization.

164091155232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3831 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 164091155232 in words is "one hundred sixty-four billion, ninety-one million, one hundred fifty-five thousand, two hundred thirty-two".