16938615711 has 4 divisors (see below), whose sum is σ = 22584820952. Its totient is φ = 11292410472.

The previous prime is 16938615697. The next prime is 16938615721. The reversal of 16938615711 is 11751683961.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 16938615711 - 2⁷ = 16938615583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16938615721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823102616 + ... + 2823102621.

It is an arithmetic number, because the mean of its divisors is an integer number (5646205238).

Almost surely, 2^16938615711 is an apocalyptic number.

16938615711 is a deficient number, since it is larger than the sum of its proper divisors (5646205241).

16938615711 is an equidigital number, since it uses as much as digits as its factorization.

16938615711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646205240.

The product of its digits is 272160, while the sum is 48.

The spelling of 16938615711 in words is "sixteen billion, nine hundred thirty-eight million, six hundred fifteen thousand, seven hundred eleven".