16111920734 has 16 divisors (see below), whose sum is σ = 29745084768. Its totient is φ = 6373946592.

The previous prime is 16111920707. The next prime is 16111920779. The reversal of 16111920734 is 43702911161.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 16111920694 and 16111920703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44263337 + ... + 44263700.

It is an arithmetic number, because the mean of its divisors is an integer number (1859067798).

Almost surely, 2^16111920734 is an apocalyptic number.

16111920734 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16111920734 is a deficient number, since it is larger than the sum of its proper divisors (13633164034).

16111920734 is a wasteful number, since it uses less digits than its factorization.

16111920734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88527059.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 16111920734 in words is "sixteen billion, one hundred eleven million, nine hundred twenty thousand, seven hundred thirty-four".