240161613 has 8 divisors (see below), whose sum is σ = 320440800. Its totient is φ = 159995088.

The previous prime is 240161609. The next prime is 240161629. The reversal of 240161613 is 316161042.

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

It is not a de Polignac number, because 240161613 - 2² = 240161609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240161633) 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, 23058 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (40055100).

Almost surely, 2^240161613 is an apocalyptic number.

It is an amenable number.

240161613 is a deficient number, since it is larger than the sum of its proper divisors (80279187).

240161613 is a wasteful number, since it uses less digits than its factorization.

240161613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56331.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 240161613 is about 15497.1485441677. The cubic root of 240161613 is about 621.5859613272.

The spelling of 240161613 in words is "two hundred forty million, one hundred sixty-one thousand, six hundred thirteen".