63800815161 has 16 divisors (see below), whose sum is σ = 88240953600. Its totient is φ = 40955271168.

The previous prime is 63800815151. The next prime is 63800815187. The reversal of 63800815161 is 16151800836.

It is not a de Polignac number, because 63800815161 - 2⁵ = 63800815129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63800815151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 967176 + ... + 1031033.

It is an arithmetic number, because the mean of its divisors is an integer number (5515059600).

Almost surely, 2^63800815161 is an apocalyptic number.

It is an amenable number.

63800815161 is a deficient number, since it is larger than the sum of its proper divisors (24440138439).

63800815161 is a wasteful number, since it uses less digits than its factorization.

63800815161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998608.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 63800815161 in words is "sixty-three billion, eight hundred million, eight hundred fifteen thousand, one hundred sixty-one".