161479937 has 4 divisors (see below), whose sum is σ = 161509296. Its totient is φ = 161450580.

The previous prime is 161479931. The next prime is 161479949. The reversal of 161479937 is 739974161.

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 161479937 - 2¹⁰ = 161478913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161479891 and 161479900.

It is not an unprimeable number, because it can be changed into a prime (161479931) 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, 3683 + ... + 18344.

It is an arithmetic number, because the mean of its divisors is an integer number (40377324).

Almost surely, 2^161479937 is an apocalyptic number.

It is an amenable number.

161479937 is a deficient number, since it is larger than the sum of its proper divisors (29359).

161479937 is an equidigital number, since it uses as much as digits as its factorization.

161479937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29358.

The product of its digits is 285768, while the sum is 47.

The square root of 161479937 is about 12707.4756344445. The cubic root of 161479937 is about 544.5522085618.

The spelling of 161479937 in words is "one hundred sixty-one million, four hundred seventy-nine thousand, nine hundred thirty-seven".