64196526080 has 240 divisors, whose sum is σ = 168505214976. Its totient is φ = 23372759040.

The previous prime is 64196526047. The next prime is 64196526083. The reversal of 64196526080 is 8062569146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64196526083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43171097 + ... + 43172583.

Almost surely, 2^64196526080 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64196526080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84252607488).

64196526080 is an abundant number, since it is smaller than the sum of its proper divisors (104308688896).

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

64196526080 is a wasteful number, since it uses less digits than its factorization.

64196526080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1542 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 64196526080 in words is "sixty-four billion, one hundred ninety-six million, five hundred twenty-six thousand, eighty".