16122819742 has 16 divisors (see below), whose sum is σ = 24461421120. Its totient is φ = 7969053312.

The previous prime is 16122819731. The next prime is 16122819851. The reversal of 16122819742 is 24791822161.

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, 1186378 + ... + 1199890.

It is an arithmetic number, because the mean of its divisors is an integer number (1528838820).

Almost surely, 2^16122819742 is an apocalyptic number.

16122819742 is a deficient number, since it is larger than the sum of its proper divisors (8338601378).

16122819742 is a wasteful number, since it uses less digits than its factorization.

16122819742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20307.

The product of its digits is 96768, while the sum is 43.

The spelling of 16122819742 in words is "sixteen billion, one hundred twenty-two million, eight hundred nineteen thousand, seven hundred forty-two".