64041451608 has 64 divisors (see below), whose sum is σ = 161967276000. Its totient is φ = 21098857472.

The previous prime is 64041451601. The next prime is 64041451613. The reversal of 64041451608 is 80615414046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64041451601) 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, 7593538 + ... + 7601966.

Almost surely, 2^64041451608 is an apocalyptic number.

It is an amenable number.

64041451608 is an abundant number, since it is smaller than the sum of its proper divisors (97925824392).

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

64041451608 is a wasteful number, since it uses less digits than its factorization.

64041451608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12084 (or 12080 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 64041451608 in words is "sixty-four billion, forty-one million, four hundred fifty-one thousand, six hundred eight".