163537622725 has 12 divisors (see below), whose sum is σ = 202836348000. Its totient is φ = 130798036400.

The previous prime is 163537622671. The next prime is 163537622741. The reversal of 163537622725 is 527226735361.

It is not a de Polignac number, because 163537622725 - 2¹¹ = 163537620677 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 697225 + ... + 901774.

It is an arithmetic number, because the mean of its divisors is an integer number (16903029000).

Almost surely, 2^163537622725 is an apocalyptic number.

It is an amenable number.

163537622725 is a deficient number, since it is larger than the sum of its proper divisors (39298725275).

163537622725 is a wasteful number, since it uses less digits than its factorization.

163537622725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603100 (or 1603095 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 49.

The spelling of 163537622725 in words is "one hundred sixty-three billion, five hundred thirty-seven million, six hundred twenty-two thousand, seven hundred twenty-five".