161794354 has 8 divisors (see below), whose sum is σ = 243594540. Its totient is φ = 80596176.

The previous prime is 161794333. The next prime is 161794361. The reversal of 161794354 is 453497161.

It can be written as a sum of positive squares in 2 ways, for example, as 107433225 + 54361129 = 10365^2 + 7373^2 .

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

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, 149829 + ... + 150904.

Almost surely, 2^161794354 is an apocalyptic number.

161794354 is a deficient number, since it is larger than the sum of its proper divisors (81800186).

161794354 is a wasteful number, since it uses less digits than its factorization.

161794354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301004.

The product of its digits is 90720, while the sum is 40.

The square root of 161794354 is about 12719.8409581252. The cubic root of 161794354 is about 544.9054112981.

The spelling of 161794354 in words is "one hundred sixty-one million, seven hundred ninety-four thousand, three hundred fifty-four".