163625607 has 12 divisors (see below), whose sum is σ = 240223464. Its totient is φ = 107295120.

The previous prime is 163625551. The next prime is 163625617. The reversal of 163625607 is 706526361.

163625607 is a `hidden beast` number, since 16 + 36 + 2 + 5 + 607 = 666.

It is not a de Polignac number, because 163625607 - 2⁶ = 163625543 is a prime.

It is a super-2 number, since 2×163625607² = 53546678532236898, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163625617) 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 11 ways as a sum of consecutive naturals, for example, 148473 + ... + 149570.

It is an arithmetic number, because the mean of its divisors is an integer number (20018622).

Almost surely, 2^163625607 is an apocalyptic number.

163625607 is a deficient number, since it is larger than the sum of its proper divisors (76597857).

163625607 is a wasteful number, since it uses less digits than its factorization.

163625607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298110 (or 298107 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 163625607 is about 12791.6225319543. The cubic root of 163625607 is about 546.9535224044.

The spelling of 163625607 in words is "one hundred sixty-three million, six hundred twenty-five thousand, six hundred seven".