183664466381 has 8 divisors (see below), whose sum is σ = 200371463424. Its totient is φ = 166959173920.

The previous prime is 183664466357. The next prime is 183664466399.

183664466381 is nontrivially palindromic in base 10.

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

It is a de Polignac number, because none of the positive numbers 2^k-183664466381 is a prime.

It is a super-2 number, since 2×183664466381² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (183664465381) 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, 195416 + ... + 636801.

It is an arithmetic number, because the mean of its divisors is an integer number (25046432928).

Almost surely, 2^183664466381 is an apocalyptic number.

183664466381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

183664466381 is a deficient number, since it is larger than the sum of its proper divisors (16706997043).

183664466381 is a wasteful number, since it uses less digits than its factorization.

183664466381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852291.

The product of its digits is 11943936, while the sum is 56.

The spelling of 183664466381 in words is "one hundred eighty-three billion, six hundred sixty-four million, four hundred sixty-six thousand, three hundred eighty-one".