163525122 has 32 divisors (see below), whose sum is σ = 367147200. Its totient is φ = 53944704.

The previous prime is 163525121. The next prime is 163525123. The reversal of 163525122 is 221525361.

It is a happy number.

163525122 is a `hidden beast` number, since 1 + 635 + 2 + 5 + 1 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (163525121) and next prime (163525123).

It is a super-2 number, since 2×163525122² = 53480931050229768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (163525121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10372 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (11473350).

Almost surely, 2^163525122 is an apocalyptic number.

163525122 is an abundant number, since it is smaller than the sum of its proper divisors (203622078).

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

163525122 is a wasteful number, since it uses less digits than its factorization.

163525122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31327 (or 31321 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 163525122 is about 12787.6941627488. The cubic root of 163525122 is about 546.8415352888.

The spelling of 163525122 in words is "one hundred sixty-three million, five hundred twenty-five thousand, one hundred twenty-two".