421632000164 has 24 divisors (see below), whose sum is σ = 740808089280. Its totient is φ = 209973970976.

The previous prime is 421632000089. The next prime is 421632000199. The reversal of 421632000164 is 461000236124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1010054 + ... + 1365090.

It is an arithmetic number, because the mean of its divisors is an integer number (30867003720).

Almost surely, 2^421632000164 is an apocalyptic number.

It is an amenable number.

421632000164 is a deficient number, since it is larger than the sum of its proper divisors (319176089116).

421632000164 is a wasteful number, since it uses less digits than its factorization.

421632000164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356227 (or 356225 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 421632000164 its reverse (461000236124), we get a palindrome (882632236288).

The spelling of 421632000164 in words is "four hundred twenty-one billion, six hundred thirty-two million, one hundred sixty-four", and thus it is an aban number.