161160615 has 48 divisors (see below), whose sum is σ = 348281856. Its totient is φ = 66974400.

The previous prime is 161160613. The next prime is 161160619. The reversal of 161160615 is 516061161.

It is not a de Polignac number, because 161160615 - 2¹ = 161160613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161160611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19791 + ... + 26720.

It is an arithmetic number, because the mean of its divisors is an integer number (7255872).

Almost surely, 2^161160615 is an apocalyptic number.

161160615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161160615 is an abundant number, since it is smaller than the sum of its proper divisors (187121241).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161160615 is a wasteful number, since it uses less digits than its factorization.

161160615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46540 (or 46537 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 161160615 is about 12694.9050803856. The cubic root of 161160615 is about 544.1930261790.

It can be divided in two parts, 1611 and 60615, that added together give a palindrome (62226).

The spelling of 161160615 in words is "one hundred sixty-one million, one hundred sixty thousand, six hundred fifteen".