161763376798 has 8 divisors (see below), whose sum is σ = 242868292992. Its totient is φ = 80807279136.

The previous prime is 161763376787. The next prime is 161763376807. The reversal of 161763376798 is 897673367161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37201915 + ... + 37206262.

It is an arithmetic number, because the mean of its divisors is an integer number (30358536624).

Almost surely, 2^161763376798 is an apocalyptic number.

161763376798 is a deficient number, since it is larger than the sum of its proper divisors (81104916194).

161763376798 is a wasteful number, since it uses less digits than its factorization.

161763376798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74409266.

The product of its digits is 48009024, while the sum is 64.

The spelling of 161763376798 in words is "one hundred sixty-one billion, seven hundred sixty-three million, three hundred seventy-six thousand, seven hundred ninety-eight".