164215092 has 48 divisors (see below), whose sum is σ = 389878272. Its totient is φ = 53788800.

The previous prime is 164215061. The next prime is 164215097. The reversal of 164215092 is 290512461.

164215092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164215097) 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, 189853 + ... + 190715.

It is an arithmetic number, because the mean of its divisors is an integer number (8122464).

Almost surely, 2^164215092 is an apocalyptic number.

164215092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

164215092 is an abundant number, since it is smaller than the sum of its proper divisors (225663180).

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

164215092 is a wasteful number, since it uses less digits than its factorization.

164215092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128 (or 1126 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 164215092 is about 12814.6436548193. The cubic root of 164215092 is about 547.6095616939.

The spelling of 164215092 in words is "one hundred sixty-four million, two hundred fifteen thousand, ninety-two".