162525220 has 48 divisors (see below), whose sum is σ = 400978368. Its totient is φ = 54552960.

The previous prime is 162525173. The next prime is 162525239. The reversal of 162525220 is 22525261.

It is a happy number.

162525220 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25554 + ... + 31273.

It is an arithmetic number, because the mean of its divisors is an integer number (8353716).

Almost surely, 2^162525220 is an apocalyptic number.

162525220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162525220 is an abundant number, since it is smaller than the sum of its proper divisors (238453148).

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

162525220 is a wasteful number, since it uses less digits than its factorization.

162525220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56860 (or 56858 counting only the distinct ones).

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

The square root of 162525220 is about 12748.5379553892. The cubic root of 162525220 is about 545.7246707661.

The spelling of 162525220 in words is "one hundred sixty-two million, five hundred twenty-five thousand, two hundred twenty".