1634336064 has 84 divisors (see below), whose sum is σ = 4846114260. Its totient is φ = 525987840.

The previous prime is 1634336009. The next prime is 1634336071. The reversal of 1634336064 is 4606334361.

1634336064 is a `hidden beast` number, since 1 + 6 + 3 + 43 + 3 + 606 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 924646464 + 709689600 = 30408^2 + 26640^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32217 + ... + 65624.

Almost surely, 2^1634336064 is an apocalyptic number.

It is an amenable number.

1634336064 is an abundant number, since it is smaller than the sum of its proper divisors (3211778196).

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

1634336064 is a wasteful number, since it uses less digits than its factorization.

1634336064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97888 (or 97875 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The square root of 1634336064 is about 40426.9225145818. The cubic root of 1634336064 is about 1177.9145545622.

The spelling of 1634336064 in words is "one billion, six hundred thirty-four million, three hundred thirty-six thousand, sixty-four".