161463427 has 8 divisors (see below), whose sum is σ = 168639264. Its totient is φ = 154300608.

The previous prime is 161463391. The next prime is 161463451. The reversal of 161463427 is 724364161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 161463427 - 2⁷ = 161463299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 161463392 and 161463401.

It is not an unprimeable number, because it can be changed into a prime (161463487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29023 + ... + 34135.

It is an arithmetic number, because the mean of its divisors is an integer number (21079908).

Almost surely, 2^161463427 is an apocalyptic number.

161463427 is a deficient number, since it is larger than the sum of its proper divisors (7175837).

161463427 is a wasteful number, since it uses less digits than its factorization.

161463427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6509.

The product of its digits is 24192, while the sum is 34.

The square root of 161463427 is about 12706.8260002252. The cubic root of 161463427 is about 544.5336492626.

The spelling of 161463427 in words is "one hundred sixty-one million, four hundred sixty-three thousand, four hundred twenty-seven".