161414715 has 32 divisors (see below), whose sum is σ = 321993216. Its totient is φ = 67080960.

The previous prime is 161414707. The next prime is 161414719. The reversal of 161414715 is 517414161.

It is not a de Polignac number, because 161414715 - 2³ = 161414707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161414719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68722 + ... + 71031.

It is an arithmetic number, because the mean of its divisors is an integer number (10062288).

Almost surely, 2^161414715 is an apocalyptic number.

161414715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161414715 is a deficient number, since it is larger than the sum of its proper divisors (160578501).

161414715 is a wasteful number, since it uses less digits than its factorization.

161414715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139779.

The product of its digits is 3360, while the sum is 30.

The square root of 161414715 is about 12704.9090905838. The cubic root of 161414715 is about 544.4788835250.

Adding to 161414715 its reverse (517414161), we get a palindrome (678828876).

The spelling of 161414715 in words is "one hundred sixty-one million, four hundred fourteen thousand, seven hundred fifteen".