16489355694 has 64 divisors (see below), whose sum is σ = 40745971200. Its totient is φ = 4342647168.

The previous prime is 16489355693. The next prime is 16489355741. The reversal of 16489355694 is 49655398461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16489355693) 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, 249709 + ... + 308760.

It is an arithmetic number, because the mean of its divisors is an integer number (636655800).

Almost surely, 2^16489355694 is an apocalyptic number.

16489355694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

16489355694 is an abundant number, since it is smaller than the sum of its proper divisors (24256615506).

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

16489355694 is a wasteful number, since it uses less digits than its factorization.

16489355694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558537.

The product of its digits is 27993600, while the sum is 60.

The spelling of 16489355694 in words is "sixteen billion, four hundred eighty-nine million, three hundred fifty-five thousand, six hundred ninety-four".