247160161 has 8 divisors (see below), whose sum is σ = 263761920. Its totient is φ = 230787648.

The previous prime is 247160143. The next prime is 247160183. The reversal of 247160161 is 161061742.

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

It is not a de Polignac number, because 247160161 - 2⁵ = 247160129 is a prime.

It is a super-2 number, since 2×247160161² = 122176290371091842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (247160101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55081 + ... + 59398.

It is an arithmetic number, because the mean of its divisors is an integer number (32970240).

Almost surely, 2^247160161 is an apocalyptic number.

It is an amenable number.

247160161 is a deficient number, since it is larger than the sum of its proper divisors (16601759).

247160161 is a wasteful number, since it uses less digits than its factorization.

247160161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114623.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 247160161 is about 15721.3282199692. The cubic root of 247160161 is about 627.5661203427.

The spelling of 247160161 in words is "two hundred forty-seven million, one hundred sixty thousand, one hundred sixty-one".