64153444522 has 16 divisors (see below), whose sum is σ = 97465155840. Its totient is φ = 31665200112.

The previous prime is 64153444457. The next prime is 64153444529. The reversal of 64153444522 is 22544435146.

It is not an unprimeable number, because it can be changed into a prime (64153444529) 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 7 ways as a sum of consecutive naturals, for example, 970188 + ... + 1034200.

It is an arithmetic number, because the mean of its divisors is an integer number (6091572240).

Almost surely, 2^64153444522 is an apocalyptic number.

64153444522 is a deficient number, since it is larger than the sum of its proper divisors (33311711318).

64153444522 is a wasteful number, since it uses less digits than its factorization.

64153444522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70437.

The product of its digits is 460800, while the sum is 40.

Adding to 64153444522 its reverse (22544435146), we get a palindrome (86697879668).

The spelling of 64153444522 in words is "sixty-four billion, one hundred fifty-three million, four hundred forty-four thousand, five hundred twenty-two".