64516434026 has 16 divisors (see below), whose sum is σ = 105595932960. Its totient is φ = 29319100080.

The previous prime is 64516434023. The next prime is 64516434043. The reversal of 64516434026 is 62043461546.

64516434026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (64516434023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226181 + ... + 424488.

It is an arithmetic number, because the mean of its divisors is an integer number (6599745810).

Almost surely, 2^64516434026 is an apocalyptic number.

64516434026 is a deficient number, since it is larger than the sum of its proper divisors (41079498934).

64516434026 is a wasteful number, since it uses less digits than its factorization.

64516434026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655189.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 64516434026 in words is "sixty-four billion, five hundred sixteen million, four hundred thirty-four thousand, twenty-six".