161610714 has 20 divisors (see below), whose sum is σ = 362128074. Its totient is φ = 53870184.

The previous prime is 161610689. The next prime is 161610731. The reversal of 161610714 is 417016161.

It can be written as a sum of positive squares in only one way, i.e., 117614025 + 43996689 = 10845^2 + 6633^2 .

It is a super-2 number, since 2×161610714² = 52236045759179592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 498637 + ... + 498960.

Almost surely, 2^161610714 is an apocalyptic number.

161610714 is an abundant number, since it is smaller than the sum of its proper divisors (200517360).

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

161610714 is an equidigital number, since it uses as much as digits as its factorization.

161610714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997611 (or 997602 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 161610714 is about 12712.6202649179. The cubic root of 161610714 is about 544.6991735436.

Adding to 161610714 its reverse (417016161), we get a palindrome (578626875).

The spelling of 161610714 in words is "one hundred sixty-one million, six hundred ten thousand, seven hundred fourteen".