64026205156 has 9 divisors (see below), whose sum is σ = 112046744649. Its totient is φ = 32012849544.

The previous prime is 64026205153. The next prime is 64026205157. The reversal of 64026205156 is 65150262046.

The square root of 64026205156 is 253034.

It is a perfect power (a square), and thus also a powerful number.

64026205156 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 only one way, i.e., 25300900 + 64000904256 = 5030^2 + 252984^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64026205151) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 442810 + ... + 569326.

Almost surely, 2^64026205156 is an apocalyptic number.

64026205156 is the 253034-th square number.

It is an amenable number.

64026205156 is a deficient number, since it is larger than the sum of its proper divisors (48020539493).

64026205156 is an frugal number, since it uses more digits than its factorization.

64026205156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253038 (or 126519 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 64026205156 in words is "sixty-four billion, twenty-six million, two hundred five thousand, one hundred fifty-six".