164201280 has 56 divisors (see below), whose sum is σ = 521342112. Its totient is φ = 43786752.

The previous prime is 164201251. The next prime is 164201311. The reversal of 164201280 is 82102461.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 164201280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84562 + ... + 86481.

Almost surely, 2^164201280 is an apocalyptic number.

164201280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164201280 is an abundant number, since it is smaller than the sum of its proper divisors (357140832).

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

164201280 is a wasteful number, since it uses less digits than its factorization.

164201280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171063 (or 171053 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 164201280 is about 12814.1047287745. The cubic root of 164201280 is about 547.5942082627.

The spelling of 164201280 in words is "one hundred sixty-four million, two hundred one thousand, two hundred eighty".