161373078802 has 16 divisors (see below), whose sum is σ = 260825866560. Its totient is φ = 74438088912.

The previous prime is 161373078781. The next prime is 161373078809. The reversal of 161373078802 is 208870373161.

It is not an unprimeable number, because it can be changed into a prime (161373078809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1694152 + ... + 1786867.

It is an arithmetic number, because the mean of its divisors is an integer number (16301616660).

Almost surely, 2^161373078802 is an apocalyptic number.

161373078802 is a deficient number, since it is larger than the sum of its proper divisors (99452787758).

161373078802 is a wasteful number, since it uses less digits than its factorization.

161373078802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3482817.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 161373078802 in words is "one hundred sixty-one billion, three hundred seventy-three million, seventy-eight thousand, eight hundred two".