161794634 has 8 divisors (see below), whose sum is σ = 242751168. Its totient is φ = 80877580.

The previous prime is 161794603. The next prime is 161794657. The reversal of 161794634 is 436497161.

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

It is a junction number, because it is equal to n+sod(n) for n = 161794591 and 161794600.

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, 4649 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (30343896).

Almost surely, 2^161794634 is an apocalyptic number.

161794634 is a deficient number, since it is larger than the sum of its proper divisors (80956534).

161794634 is a wasteful number, since it uses less digits than its factorization.

161794634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19740.

The product of its digits is 108864, while the sum is 41.

The square root of 161794634 is about 12719.8519645474. The cubic root of 161794634 is about 544.9057256342.

The spelling of 161794634 in words is "one hundred sixty-one million, seven hundred ninety-four thousand, six hundred thirty-four".