16312861074885 has 16 divisors (see below), whose sum is σ = 26100805752384. Its totient is φ = 8700116562432.

The previous prime is 16312861074827. The next prime is 16312861074931. The reversal of 16312861074885 is 58847016821361.

It is not a de Polignac number, because 16312861074885 - 2¹⁸ = 16312860812741 is a prime.

It is a super-2 number, since 2×16312861074885² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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, 2954647 + ... + 6430836.

It is an arithmetic number, because the mean of its divisors is an integer number (1631300359524).

Almost surely, 2^{16312861074885} is an apocalyptic number.

16312861074885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16312861074885 is a deficient number, since it is larger than the sum of its proper divisors (9787944677499).

16312861074885 is a wasteful number, since it uses less digits than its factorization.

16312861074885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9501364.

The product of its (nonzero) digits is 15482880, while the sum is 60.

The spelling of 16312861074885 in words is "sixteen trillion, three hundred twelve billion, eight hundred sixty-one million, seventy-four thousand, eight hundred eighty-five".