420184664 has 32 divisors (see below), whose sum is σ = 822441600. Its totient is φ = 201020160.

The previous prime is 420184663. The next prime is 420184679. The reversal of 420184664 is 466481024.

It is a super-3 number, since 3×420184664³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420184663) 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 7 ways as a sum of consecutive naturals, for example, 12554 + ... + 31590.

It is an arithmetic number, because the mean of its divisors is an integer number (25701300).

Almost surely, 2^420184664 is an apocalyptic number.

It is an amenable number.

420184664 is a deficient number, since it is larger than the sum of its proper divisors (402256936).

420184664 is a wasteful number, since it uses less digits than its factorization.

420184664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19163 (or 19159 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 420184664 is about 20498.4063770821. The cubic root of 420184664 is about 748.9969786028.

The spelling of 420184664 in words is "four hundred twenty million, one hundred eighty-four thousand, six hundred sixty-four".