161948694 has 8 divisors (see below), whose sum is σ = 323897400. Its totient is φ = 53982896.

The previous prime is 161948669. The next prime is 161948711. The reversal of 161948694 is 496849161.

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

161948694 is an admirable number.

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, 13495719 + ... + 13495730.

It is an arithmetic number, because the mean of its divisors is an integer number (40487175).

Almost surely, 2^161948694 is an apocalyptic number.

161948694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161948694 is a wasteful number, since it uses less digits than its factorization.

161948694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26991454.

The product of its digits is 373248, while the sum is 48.

The square root of 161948694 is about 12725.9064117256. The cubic root of 161948694 is about 545.0786228911.

The spelling of 161948694 in words is "one hundred sixty-one million, nine hundred forty-eight thousand, six hundred ninety-four".