16309720144692 has 144 divisors (see below), whose sum is σ = 45258143898240. Its totient is φ = 4921884912384.

The previous prime is 16309720144681. The next prime is 16309720144723. The reversal of 16309720144692 is 29644102790361.

16309720144692 is a `hidden beast` number, since 1 + 6 + 3 + 0 + 97 + 20 + 1 + 446 + 92 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6044833 + ... + 8316215.

It is an arithmetic number, because the mean of its divisors is an integer number (314292665960).

Almost surely, 2^{16309720144692} is an apocalyptic number.

16309720144692 is a gapful number since it is divisible by the number (12) 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 16309720144692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22629071949120).

16309720144692 is an abundant number, since it is smaller than the sum of its proper divisors (28948423753548).

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

16309720144692 is a wasteful number, since it uses less digits than its factorization.

16309720144692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271702 (or 2271697 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 16309720144692 in words is "sixteen trillion, three hundred nine billion, seven hundred twenty million, one hundred forty-four thousand, six hundred ninety-two".