164121612 has 24 divisors (see below), whose sum is σ = 388346112. Its totient is φ = 53936400.

The previous prime is 164121611. The next prime is 164121613. The reversal of 164121612 is 216121461.

It is a happy number.

164121612 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164121611) and next prime (164121613).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (164121611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95464 + ... + 97167.

It is an arithmetic number, because the mean of its divisors is an integer number (16181088).

Almost surely, 2^164121612 is an apocalyptic number.

164121612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164121612 is an abundant number, since it is smaller than the sum of its proper divisors (224224500).

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

164121612 is a wasteful number, since it uses less digits than its factorization.

164121612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192709 (or 192707 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 164121612 is about 12810.9957458427. The cubic root of 164121612 is about 547.5056324351.

The spelling of 164121612 in words is "one hundred sixty-four million, one hundred twenty-one thousand, six hundred twelve".