164520260 has 12 divisors (see below), whose sum is σ = 345492588. Its totient is φ = 65808096.

The previous prime is 164520247. The next prime is 164520263. The reversal of 164520260 is 62025461.

It can be written as a sum of positive squares in 2 ways, for example, as 122633476 + 41886784 = 11074^2 + 6472^2 .

It is not an unprimeable number, because it can be changed into a prime (164520263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4112987 + ... + 4113026.

It is an arithmetic number, because the mean of its divisors is an integer number (28791049).

Almost surely, 2^164520260 is an apocalyptic number.

164520260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164520260 is an abundant number, since it is smaller than the sum of its proper divisors (180972328).

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

164520260 is a wasteful number, since it uses less digits than its factorization.

164520260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226022 (or 8226020 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 164520260 is about 12826.5451310943. The cubic root of 164520260 is about 547.9485672865.

The spelling of 164520260 in words is "one hundred sixty-four million, five hundred twenty thousand, two hundred sixty".