16251491311330 has 32 divisors (see below), whose sum is σ = 32270581336320. Its totient is φ = 5843232827520.

The previous prime is 16251491311303. The next prime is 16251491311339. The reversal of 16251491311330 is 3311319415261.

It is a super-2 number, since 2×16251491311330² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16251491311339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 829994874 + ... + 830014453.

It is an arithmetic number, because the mean of its divisors is an integer number (1008455666760).

Almost surely, 2^{16251491311330} is an apocalyptic number.

16251491311330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16251491311330 is a deficient number, since it is larger than the sum of its proper divisors (16019090024990).

16251491311330 is a wasteful number, since it uses less digits than its factorization.

16251491311330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660009434.

The product of its (nonzero) digits is 58320, while the sum is 40.

The spelling of 16251491311330 in words is "sixteen trillion, two hundred fifty-one billion, four hundred ninety-one million, three hundred eleven thousand, three hundred thirty".