64158726912 has 288 divisors, whose sum is σ = 205755777024. Its totient is φ = 17360179200.

The previous prime is 64158726899. The next prime is 64158726953. The reversal of 64158726912 is 21962785146.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7828737 + ... + 7836927.

Almost surely, 2^64158726912 is an apocalyptic number.

64158726912 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64158726912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102877888512).

64158726912 is an abundant number, since it is smaller than the sum of its proper divisors (141597050112).

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

64158726912 is a wasteful number, since it uses less digits than its factorization.

64158726912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8295 (or 8281 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 64158726912 in words is "sixty-four billion, one hundred fifty-eight million, seven hundred twenty-six thousand, nine hundred twelve".