16719471782 has 16 divisors (see below), whose sum is σ = 27013240800. Its totient is φ = 7715289792.

The previous prime is 16719471739. The next prime is 16719471799. The reversal of 16719471782 is 28717491761.

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, 97103 + ... + 207045.

It is an arithmetic number, because the mean of its divisors is an integer number (1688327550).

Almost surely, 2^16719471782 is an apocalyptic number.

16719471782 is a deficient number, since it is larger than the sum of its proper divisors (10293769018).

16719471782 is a wasteful number, since it uses less digits than its factorization.

16719471782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115807.

The product of its digits is 1185408, while the sum is 53.

The spelling of 16719471782 in words is "sixteen billion, seven hundred nineteen million, four hundred seventy-one thousand, seven hundred eighty-two".