16696894704 has 160 divisors (see below), whose sum is σ = 49818240000. Its totient is φ = 4720238592.

The previous prime is 16696894703. The next prime is 16696894723. The reversal of 16696894704 is 40749869661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16696894703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17972512 + ... + 17973440.

It is an arithmetic number, because the mean of its divisors is an integer number (311364000).

Almost surely, 2^16696894704 is an apocalyptic number.

16696894704 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16696894704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24909120000).

16696894704 is an abundant number, since it is smaller than the sum of its proper divisors (33121345296).

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

16696894704 is a wasteful number, since it uses less digits than its factorization.

16696894704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1449 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 60.

The spelling of 16696894704 in words is "sixteen billion, six hundred ninety-six million, eight hundred ninety-four thousand, seven hundred four".