16118943694 has 8 divisors (see below), whose sum is σ = 27632474928. Its totient is φ = 6908118720.

The previous prime is 16118943679. The next prime is 16118943713. The reversal of 16118943694 is 49634981161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×16118943694³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575676547 + ... + 575676574.

It is an arithmetic number, because the mean of its divisors is an integer number (3454059366).

Almost surely, 2^16118943694 is an apocalyptic number.

16118943694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16118943694 is a deficient number, since it is larger than the sum of its proper divisors (11513531234).

16118943694 is a wasteful number, since it uses less digits than its factorization.

16118943694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151353130.

The product of its digits is 1119744, while the sum is 52.

The spelling of 16118943694 in words is "sixteen billion, one hundred eighteen million, nine hundred forty-three thousand, six hundred ninety-four".