64069156 has 12 divisors (see below), whose sum is σ = 114236892. Its totient is φ = 31430048.

The previous prime is 64069153. The next prime is 64069169. The reversal of 64069156 is 65196046.

64069156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50126400 + 13942756 = 7080^2 + 3734^2 .

It is not an unprimeable number, because it can be changed into a prime (64069153) 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 3 ways as a sum of consecutive naturals, for example, 150895 + ... + 151318.

It is an arithmetic number, because the mean of its divisors is an integer number (9519741).

Almost surely, 2^64069156 is an apocalyptic number.

It is an amenable number.

64069156 is a deficient number, since it is larger than the sum of its proper divisors (50167736).

64069156 is a wasteful number, since it uses less digits than its factorization.

64069156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302270 (or 302268 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 64069156 is about 8004.3210830151. The cubic root of 64069156 is about 400.1440231371.

It can be divided in two parts, 640 and 69156, that added together give a palindrome (69796).

The spelling of 64069156 in words is "sixty-four million, sixty-nine thousand, one hundred fifty-six".