181082463 has 8 divisors (see below), whose sum is σ = 243658800. Its totient is φ = 119613888.

The previous prime is 181082459. The next prime is 181082491. The reversal of 181082463 is 364280181.

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

It is not a de Polignac number, because 181082463 - 2² = 181082459 is a prime.

It is a super-2 number, since 2×181082463² = 65581716812292738, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181082423) 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, 276558 + ... + 277211.

It is an arithmetic number, because the mean of its divisors is an integer number (30457350).

Almost surely, 2^181082463 is an apocalyptic number.

181082463 is a deficient number, since it is larger than the sum of its proper divisors (62576337).

181082463 is a wasteful number, since it uses less digits than its factorization.

181082463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553881.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 181082463 is about 13456.6884113440. The cubic root of 181082463 is about 565.7511746154.

The spelling of 181082463 in words is "one hundred eighty-one million, eighty-two thousand, four hundred sixty-three".