182669677421 has 16 divisors (see below), whose sum is σ = 230487925248. Its totient is φ = 140625063600.

The previous prime is 182669677417. The next prime is 182669677441. The reversal of 182669677421 is 124776966281.

It is not a de Polignac number, because 182669677421 - 2² = 182669677417 is a prime.

It is a super-2 number, since 2×182669677421² (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 (182669677441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14284775 + ... + 14297556.

It is an arithmetic number, because the mean of its divisors is an integer number (14405495328).

Almost surely, 2^182669677421 is an apocalyptic number.

182669677421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

182669677421 is a deficient number, since it is larger than the sum of its proper divisors (47818247827).

182669677421 is a wasteful number, since it uses less digits than its factorization.

182669677421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28582432.

The product of its digits is 12192768, while the sum is 59.

The spelling of 182669677421 in words is "one hundred eighty-two billion, six hundred sixty-nine million, six hundred seventy-seven thousand, four hundred twenty-one".