16291397037220 has 48 divisors (see below), whose sum is σ = 35530061168448. Its totient is φ = 6270010750080.

The previous prime is 16291397037211. The next prime is 16291397037247. The reversal of 16291397037220 is 2273079319261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141311671 + ... + 141426910.

It is an arithmetic number, because the mean of its divisors is an integer number (740209607676).

Almost surely, 2^{16291397037220} is an apocalyptic number.

16291397037220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16291397037220 is an abundant number, since it is smaller than the sum of its proper divisors (19238664131228).

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

16291397037220 is a wasteful number, since it uses less digits than its factorization.

16291397037220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282738700 (or 282738698 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 52.

The spelling of 16291397037220 in words is "sixteen trillion, two hundred ninety-one billion, three hundred ninety-seven million, thirty-seven thousand, two hundred twenty".