161767477094 has 8 divisors (see below), whose sum is σ = 246629104608. Its totient is φ = 79557775560.

The previous prime is 161767477073. The next prime is 161767477121. The reversal of 161767477094 is 490774767161.

It is a happy number.

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, 662981342 + ... + 662981585.

It is an arithmetic number, because the mean of its divisors is an integer number (30828638076).

Almost surely, 2^161767477094 is an apocalyptic number.

161767477094 is a deficient number, since it is larger than the sum of its proper divisors (84861627514).

161767477094 is a wasteful number, since it uses less digits than its factorization.

161767477094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325962990.

The product of its (nonzero) digits is 12446784, while the sum is 59.

The spelling of 161767477094 in words is "one hundred sixty-one billion, seven hundred sixty-seven million, four hundred seventy-seven thousand, ninety-four".