161463473 has 8 divisors (see below), whose sum is σ = 168917568. Its totient is φ = 154045584.

The previous prime is 161463461. The next prime is 161463479. The reversal of 161463473 is 374364161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161463473 is a prime.

It is a super-3 number, since 3×161463473³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161463479) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290 + ... + 17972.

It is an arithmetic number, because the mean of its divisors is an integer number (21114696).

Almost surely, 2^161463473 is an apocalyptic number.

It is an amenable number.

161463473 is a deficient number, since it is larger than the sum of its proper divisors (7454095).

161463473 is a wasteful number, since it uses less digits than its factorization.

161463473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18103.

The product of its digits is 36288, while the sum is 35.

The square root of 161463473 is about 12706.8278102759. The cubic root of 161463473 is about 544.5337009741.

The spelling of 161463473 in words is "one hundred sixty-one million, four hundred sixty-three thousand, four hundred seventy-three".