164254040 has 32 divisors (see below), whose sum is σ = 385642080. Its totient is φ = 62844672.

The previous prime is 164254033. The next prime is 164254043. The reversal of 164254040 is 40452461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164254043) 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, 88349 + ... + 90188.

It is an arithmetic number, because the mean of its divisors is an integer number (12051315).

Almost surely, 2^164254040 is an apocalyptic number.

164254040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164254040 is an abundant number, since it is smaller than the sum of its proper divisors (221388040).

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

164254040 is a wasteful number, since it uses less digits than its factorization.

164254040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178571 (or 178567 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 164254040 is about 12816.1632324187. The cubic root of 164254040 is about 547.6528516883.

The spelling of 164254040 in words is "one hundred sixty-four million, two hundred fifty-four thousand, forty".