16091908974 has 48 divisors (see below), whose sum is σ = 36007882560. Its totient is φ = 5190831360.

The previous prime is 16091908967. The next prime is 16091908979. The reversal of 16091908974 is 47980919061.

It is a self number, because there is not a number n which added to its sum of digits gives 16091908974.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16091908979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31567 + ... + 182154.

It is an arithmetic number, because the mean of its divisors is an integer number (750164220).

Almost surely, 2^16091908974 is an apocalyptic number.

16091908974 is an abundant number, since it is smaller than the sum of its proper divisors (19915973586).

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

16091908974 is a wasteful number, since it uses less digits than its factorization.

16091908974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213865 (or 213862 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 16091908974 in words is "sixteen billion, ninety-one million, nine hundred eight thousand, nine hundred seventy-four".