163250020 has 12 divisors (see below), whose sum is σ = 342825084. Its totient is φ = 65300000.

The previous prime is 163250011. The next prime is 163250027. The reversal of 163250020 is 20052361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86266944 + 76983076 = 9288^2 + 8774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 163250020.

It is not an unprimeable number, because it can be changed into a prime (163250027) 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, 4081231 + ... + 4081270.

It is an arithmetic number, because the mean of its divisors is an integer number (28568757).

Almost surely, 2^163250020 is an apocalyptic number.

163250020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163250020 is an abundant number, since it is smaller than the sum of its proper divisors (179575064).

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

163250020 is a wasteful number, since it uses less digits than its factorization.

163250020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8162510 (or 8162508 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 163250020 is about 12776.9331218411. The cubic root of 163250020 is about 546.5347085488.

The spelling of 163250020 in words is "one hundred sixty-three million, two hundred fifty thousand, twenty".