421632000165 has 16 divisors (see below), whose sum is σ = 674765572608. Its totient is φ = 224818942656.

The previous prime is 421632000089. The next prime is 421632000199. The reversal of 421632000165 is 561000236124.

It is not a de Polignac number, because 421632000165 - 2¹⁰ = 421631999141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3148309 + ... + 3279498.

It is an arithmetic number, because the mean of its divisors is an integer number (42172848288).

Almost surely, 2^421632000165 is an apocalyptic number.

It is an amenable number.

421632000165 is a deficient number, since it is larger than the sum of its proper divisors (253133572443).

421632000165 is a wasteful number, since it uses less digits than its factorization.

421632000165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6432188.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 421632000165 its reverse (561000236124), we get a palindrome (982632236289).

The spelling of 421632000165 in words is "four hundred twenty-one billion, six hundred thirty-two million, one hundred sixty-five", and thus it is an aban number.