161414637 has 4 divisors (see below), whose sum is σ = 215219520. Its totient is φ = 107609756.

The previous prime is 161414629. The next prime is 161414639. The reversal of 161414637 is 736414161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 161414637 - 2³ = 161414629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161414598 and 161414607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161414639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26902437 + ... + 26902442.

It is an arithmetic number, because the mean of its divisors is an integer number (53804880).

Almost surely, 2^161414637 is an apocalyptic number.

It is an amenable number.

161414637 is a deficient number, since it is larger than the sum of its proper divisors (53804883).

161414637 is an equidigital number, since it uses as much as digits as its factorization.

161414637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53804882.

The product of its digits is 12096, while the sum is 33.

The square root of 161414637 is about 12704.9060209039. The cubic root of 161414637 is about 544.4787958226.

Adding to 161414637 its reverse (736414161), we get a palindrome (897828798).

The spelling of 161414637 in words is "one hundred sixty-one million, four hundred fourteen thousand, six hundred thirty-seven".