64412818152 has 16 divisors (see below), whose sum is σ = 161032045440. Its totient is φ = 21470939376.

The previous prime is 64412818121. The next prime is 64412818159. The reversal of 64412818152 is 25181821446.

It is a super-2 number, since 2×64412818152² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64412818159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341933688 + ... + 1341933735.

It is an arithmetic number, because the mean of its divisors is an integer number (10064502840).

Almost surely, 2^64412818152 is an apocalyptic number.

It is an amenable number.

64412818152 is an abundant number, since it is smaller than the sum of its proper divisors (96619227288).

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

64412818152 is a wasteful number, since it uses less digits than its factorization.

64412818152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683867432 (or 2683867428 counting only the distinct ones).

The product of its digits is 122880, while the sum is 42.

The spelling of 64412818152 in words is "sixty-four billion, four hundred twelve million, eight hundred eighteen thousand, one hundred fifty-two".