16631795018085 has 32 divisors (see below), whose sum is σ = 29143588682880. Its totient is φ = 8049181625088.

The previous prime is 16631795018053. The next prime is 16631795018119. The reversal of 16631795018085 is 58081059713661.

It is a happy number.

16631795018085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16631795018085 - 2⁵ = 16631795018053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722795754 + ... + 722818763.

It is an arithmetic number, because the mean of its divisors is an integer number (910737146340).

Almost surely, 2^{16631795018085} is an apocalyptic number.

16631795018085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16631795018085 is a deficient number, since it is larger than the sum of its proper divisors (12511793664795).

16631795018085 is a wasteful number, since it uses less digits than its factorization.

16631795018085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445614597.

The product of its (nonzero) digits is 10886400, while the sum is 60.

The spelling of 16631795018085 in words is "sixteen trillion, six hundred thirty-one billion, seven hundred ninety-five million, eighteen thousand, eighty-five".