163456616635 has 48 divisors (see below), whose sum is σ = 220072930560. Its totient is φ = 116373404160.

The previous prime is 163456616621. The next prime is 163456616669. The reversal of 163456616635 is 536616654361.

It is not a de Polignac number, because 163456616635 - 2⁷ = 163456616507 is a prime.

It is a super-2 number, since 2×163456616635² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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 47 ways as a sum of consecutive naturals, for example, 7034857 + ... + 7058053.

It is an arithmetic number, because the mean of its divisors is an integer number (4584852720).

Almost surely, 2^163456616635 is an apocalyptic number.

163456616635 is a deficient number, since it is larger than the sum of its proper divisors (56616313925).

163456616635 is a wasteful number, since it uses less digits than its factorization.

163456616635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23528 (or 23515 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 52.

The spelling of 163456616635 in words is "one hundred sixty-three billion, four hundred fifty-six million, six hundred sixteen thousand, six hundred thirty-five".