16219787874 has 16 divisors (see below), whose sum is σ = 34146922080. Its totient is φ = 5122038240.

The previous prime is 16219787851. The next prime is 16219787911. The reversal of 16219787874 is 47878791261.

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, 71139307 + ... + 71139534.

It is an arithmetic number, because the mean of its divisors is an integer number (2134182630).

Almost surely, 2^16219787874 is an apocalyptic number.

16219787874 is an abundant number, since it is smaller than the sum of its proper divisors (17927134206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16219787874 is a wasteful number, since it uses less digits than its factorization.

16219787874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142278865.

The product of its digits is 9483264, while the sum is 60.

The spelling of 16219787874 in words is "sixteen billion, two hundred nineteen million, seven hundred eighty-seven thousand, eight hundred seventy-four".