161942794299 has 24 divisors (see below), whose sum is σ = 274812016752. Its totient is φ = 90597366720.

The previous prime is 161942794283. The next prime is 161942794301. The reversal of 161942794299 is 992497249161.

161942794299 is a `hidden beast` number, since 1 + 619 + 4 + 2 + 7 + 9 + 4 + 2 + 9 + 9 = 666.

161942794299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161942794299 - 2⁴ = 161942794283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161942794399) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 62913552 + ... + 62916125.

It is an arithmetic number, because the mean of its divisors is an integer number (11450500698).

Almost surely, 2^161942794299 is an apocalyptic number.

161942794299 is a deficient number, since it is larger than the sum of its proper divisors (112869222453).

161942794299 is a wasteful number, since it uses less digits than its factorization.

161942794299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125829707 (or 125829704 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The spelling of 161942794299 in words is "one hundred sixty-one billion, nine hundred forty-two million, seven hundred ninety-four thousand, two hundred ninety-nine".