161114615 has 4 divisors (see below), whose sum is σ = 193337544. Its totient is φ = 128891688.

The previous prime is 161114599. The next prime is 161114617. The reversal of 161114615 is 516411161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 161114615 - 2⁴ = 161114599 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 (161114617) 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 3 ways as a sum of consecutive naturals, for example, 16111457 + ... + 16111466.

It is an arithmetic number, because the mean of its divisors is an integer number (48334386).

Almost surely, 2^161114615 is an apocalyptic number.

161114615 is a deficient number, since it is larger than the sum of its proper divisors (32222929).

161114615 is an equidigital number, since it uses as much as digits as its factorization.

161114615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32222928.

The product of its digits is 720, while the sum is 26.

The square root of 161114615 is about 12693.0932006347. The cubic root of 161114615 is about 544.1412449973.

Adding to 161114615 its reverse (516411161), we get a palindrome (677525776).

It can be divided in two parts, 1611146 and 15, that added together give a palindrome (1611161).

The spelling of 161114615 in words is "one hundred sixty-one million, one hundred fourteen thousand, six hundred fifteen".