16194697090 has 96 divisors (see below), whose sum is σ = 34622733312. Its totient is φ = 5406336000.

The previous prime is 16194697067. The next prime is 16194697093. The reversal of 16194697090 is 9079649161.

It is not an unprimeable number, because it can be changed into a prime (16194697093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3548410 + ... + 3552970.

It is an arithmetic number, because the mean of its divisors is an integer number (360653472).

Almost surely, 2^16194697090 is an apocalyptic number.

16194697090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16194697090 is an abundant number, since it is smaller than the sum of its proper divisors (18428036222).

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

16194697090 is a wasteful number, since it uses less digits than its factorization.

16194697090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4796 (or 4783 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 52.

The spelling of 16194697090 in words is "sixteen billion, one hundred ninety-four million, six hundred ninety-seven thousand, ninety".