16196189042 has 12 divisors (see below), whose sum is σ = 26703634398. Its totient is φ = 7361904000.

The previous prime is 16196189027. The next prime is 16196189077. The reversal of 16196189042 is 24098169161.

It can be written as a sum of positive squares in only one way, i.e., 10830773041 + 5365416001 = 104071^2 + 73249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33462959 + ... + 33463442.

Almost surely, 2^16196189042 is an apocalyptic number.

16196189042 is a deficient number, since it is larger than the sum of its proper divisors (10507445356).

16196189042 is a wasteful number, since it uses less digits than its factorization.

16196189042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66926425 (or 66926414 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 16196189042 in words is "sixteen billion, one hundred ninety-six million, one hundred eighty-nine thousand, forty-two".