16195769542 has 16 divisors (see below), whose sum is σ = 25731969840. Its totient is φ = 7618789888.

The previous prime is 16195769533. The next prime is 16195769581. The reversal of 16195769542 is 24596759161.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11358 + ... + 180334.

It is an arithmetic number, because the mean of its divisors is an integer number (1608248115).

Almost surely, 2^16195769542 is an apocalyptic number.

16195769542 is a deficient number, since it is larger than the sum of its proper divisors (9536200298).

16195769542 is a wasteful number, since it uses less digits than its factorization.

16195769542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171815.

The product of its digits is 4082400, while the sum is 55.

The spelling of 16195769542 in words is "sixteen billion, one hundred ninety-five million, seven hundred sixty-nine thousand, five hundred forty-two".