181668483 has 12 divisors (see below), whose sum is σ = 269502688. Its totient is φ = 117838800.

The previous prime is 181668449. The next prime is 181668517. The reversal of 181668483 is 384866181.

It is a happy number.

181668483 is a `hidden beast` number, since 1 + 8 + 166 + 8 + 483 = 666.

It is an interprime number because it is at equal distance from previous prime (181668449) and next prime (181668517).

It is not a de Polignac number, because 181668483 - 2⁶ = 181668419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181668083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272443 + ... + 273108.

Almost surely, 2^181668483 is an apocalyptic number.

181668483 is a deficient number, since it is larger than the sum of its proper divisors (87834205).

181668483 is a wasteful number, since it uses less digits than its factorization.

181668483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545594 (or 545591 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 181668483 is about 13478.4451254586. The cubic root of 181668483 is about 566.3608130716.

The spelling of 181668483 in words is "one hundred eighty-one million, six hundred sixty-eight thousand, four hundred eighty-three".