163663663514 has 32 divisors (see below), whose sum is σ = 265658778000. Its totient is φ = 75172276224.

The previous prime is 163663663507. The next prime is 163663663561. The reversal of 163663663514 is 415366366361.

It can be written as a sum of positive squares in 8 ways, for example, as 14487733225 + 149175930289 = 120365^2 + 386233^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6484832 + ... + 6510020.

Almost surely, 2^163663663514 is an apocalyptic number.

163663663514 is a deficient number, since it is larger than the sum of its proper divisors (101995114486).

163663663514 is a wasteful number, since it uses less digits than its factorization.

163663663514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26402.

The product of its digits is 4199040, while the sum is 50.

The spelling of 163663663514 in words is "one hundred sixty-three billion, six hundred sixty-three million, six hundred sixty-three thousand, five hundred fourteen".