161017347 has 8 divisors (see below), whose sum is σ = 219257856. Its totient is φ = 105060872.

The previous prime is 161017321. The next prime is 161017349. The reversal of 161017347 is 743710161.

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

It is a cyclic number.

It is not a de Polignac number, because 161017347 - 2²³ = 152628739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161017349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570843 + ... + 571124.

It is an arithmetic number, because the mean of its divisors is an integer number (27407232).

Almost surely, 2^161017347 is an apocalyptic number.

161017347 is a deficient number, since it is larger than the sum of its proper divisors (58240509).

161017347 is a wasteful number, since it uses less digits than its factorization.

161017347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142017.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 161017347 is about 12689.2610895986. The cubic root of 161017347 is about 544.0317200993.

The spelling of 161017347 in words is "one hundred sixty-one million, seventeen thousand, three hundred forty-seven".