161017671 has 8 divisors (see below), whose sum is σ = 219683200. Its totient is φ = 104848632.

The previous prime is 161017651. The next prime is 161017709. The reversal of 161017671 is 176710161.

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

It is not a de Polignac number, because 161017671 - 2¹⁷ = 160886599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161017621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623971 + ... + 624228.

It is an arithmetic number, because the mean of its divisors is an integer number (27460400).

Almost surely, 2^161017671 is an apocalyptic number.

161017671 is a deficient number, since it is larger than the sum of its proper divisors (58665529).

161017671 is a wasteful number, since it uses less digits than its factorization.

161017671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248245.

The product of its (nonzero) digits is 1764, while the sum is 30.

The square root of 161017671 is about 12689.2738562930. The cubic root of 161017671 is about 544.0320850003.

The spelling of 161017671 in words is "one hundred sixty-one million, seventeen thousand, six hundred seventy-one".