16091849998 has 24 divisors (see below), whose sum is σ = 28093492872. Its totient is φ = 6892858224.

The previous prime is 16091849971. The next prime is 16091849999. The reversal of 16091849998 is 89994819061.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16091849999) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146961 + ... + 231907.

It is an arithmetic number, because the mean of its divisors is an integer number (1170562203).

Almost surely, 2^16091849998 is an apocalyptic number.

16091849998 is a deficient number, since it is larger than the sum of its proper divisors (12001642874).

16091849998 is a wasteful number, since it uses less digits than its factorization.

16091849998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86896 (or 86889 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 64.

The spelling of 16091849998 in words is "sixteen billion, ninety-one million, eight hundred forty-nine thousand, nine hundred ninety-eight".