164052520 has 16 divisors (see below), whose sum is σ = 369118260. Its totient is φ = 65620992.

The previous prime is 164052503. The next prime is 164052523. The reversal of 164052520 is 25250461.

164052520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 162766564 + 1285956 = 12758^2 + 1134^2 .

It is not an unprimeable number, because it can be changed into a prime (164052523) 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, 2050617 + ... + 2050696.

Almost surely, 2^164052520 is an apocalyptic number.

164052520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164052520 is an abundant number, since it is smaller than the sum of its proper divisors (205065740).

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

164052520 is a wasteful number, since it uses less digits than its factorization.

164052520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4101324 (or 4101320 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 164052520 is about 12808.2988722156. The cubic root of 164052520 is about 547.4287919178.

The spelling of 164052520 in words is "one hundred sixty-four million, fifty-two thousand, five hundred twenty".