46451664 has 80 divisors (see below), whose sum is σ = 152391040. Its totient is φ = 13271040.

The previous prime is 46451663. The next prime is 46451719. The reversal of 46451664 is 46615464.

46451664 is a `hidden beast` number, since 4 + 645 + 1 + 6 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46451663) 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, 4657 + ... + 10704.

It is an arithmetic number, because the mean of its divisors is an integer number (1904888).

Almost surely, 2^46451664 is an apocalyptic number.

It is an amenable number.

46451664 is an abundant number, since it is smaller than the sum of its proper divisors (105939376).

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

46451664 is a wasteful number, since it uses less digits than its factorization.

46451664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15385 (or 15373 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 46451664 is about 6815.5457595119. The cubic root of 46451664 is about 359.4736753259.

The spelling of 46451664 in words is "forty-six million, four hundred fifty-one thousand, six hundred sixty-four".