46321664 has 52 divisors (see below), whose sum is σ = 95146656. Its totient is φ = 22536192.

The previous prime is 46321643. The next prime is 46321679. The reversal of 46321664 is 46612364.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 46321664.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175997 + ... + 176259.

Almost surely, 2^46321664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 46321664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47573328).

46321664 is an abundant number, since it is smaller than the sum of its proper divisors (48824992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

46321664 is an equidigital number, since it uses as much as digits as its factorization.

46321664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 308 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 46321664 is about 6806.0020570082. The cubic root of 46321664 is about 359.1380200366.

The spelling of 46321664 in words is "forty-six million, three hundred twenty-one thousand, six hundred sixty-four".