16194799670 has 64 divisors (see below), whose sum is σ = 34357478400. Its totient is φ = 5381416320.

The previous prime is 16194799669. The next prime is 16194799681. The reversal of 16194799670 is 7699749161.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 265616 + ... + 320844.

It is an arithmetic number, because the mean of its divisors is an integer number (536835600).

Almost surely, 2^16194799670 is an apocalyptic number.

16194799670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16194799670 is an abundant number, since it is smaller than the sum of its proper divisors (18162678730).

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

16194799670 is a wasteful number, since it uses less digits than its factorization.

16194799670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55373.

The product of its (nonzero) digits is 5143824, while the sum is 59.

The spelling of 16194799670 in words is "sixteen billion, one hundred ninety-four million, seven hundred ninety-nine thousand, six hundred seventy".