64133319120 has 80 divisors (see below), whose sum is σ = 214106629632. Its totient is φ = 15786662400.

The previous prime is 64133319119. The next prime is 64133319149. The reversal of 64133319120 is 2191333146.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×64133319120² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10274656 + ... + 10280895.

Almost surely, 2^64133319120 is an apocalyptic number.

64133319120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64133319120 is an abundant number, since it is smaller than the sum of its proper divisors (149973310512).

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

64133319120 is a wasteful number, since it uses less digits than its factorization.

64133319120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20555580 (or 20555574 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The spelling of 64133319120 in words is "sixty-four billion, one hundred thirty-three million, three hundred nineteen thousand, one hundred twenty".