163552425 has 48 divisors (see below), whose sum is σ = 287124480. Its totient is φ = 81970240.

The previous prime is 163552421. The next prime is 163552447. The reversal of 163552425 is 524255361.

It is not a de Polignac number, because 163552425 - 2² = 163552421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (163552421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100972 + ... + 102578.

It is an arithmetic number, because the mean of its divisors is an integer number (5981760).

Almost surely, 2^163552425 is an apocalyptic number.

163552425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163552425 is a deficient number, since it is larger than the sum of its proper divisors (123572055).

163552425 is a wasteful number, since it uses less digits than its factorization.

163552425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1697 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 163552425 is about 12788.7616679646. The cubic root of 163552425 is about 546.8719680920.

The spelling of 163552425 in words is "one hundred sixty-three million, five hundred fifty-two thousand, four hundred twenty-five".