16161992002320 has 160 divisors (see below), whose sum is σ = 51726394536960. Its totient is φ = 4170189864960.

The previous prime is 16161992002301. The next prime is 16161992002337. The reversal of 16161992002320 is 2320029916161.

It is a super-2 number, since 2×16161992002320² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48767736 + ... + 49098024.

It is an arithmetic number, because the mean of its divisors is an integer number (323289965856).

Almost surely, 2^{16161992002320} is an apocalyptic number.

16161992002320 is a gapful number since it is divisible by the number (10) 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 16161992002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25863197268480).

16161992002320 is an abundant number, since it is smaller than the sum of its proper divisors (35564402534640).

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

16161992002320 is a wasteful number, since it uses less digits than its factorization.

16161992002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336913 (or 336907 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The spelling of 16161992002320 in words is "sixteen trillion, one hundred sixty-one billion, nine hundred ninety-two million, two thousand, three hundred twenty".