64353013066 has 4 divisors (see below), whose sum is σ = 96529519602. Its totient is φ = 32176506532.

The previous prime is 64353013061. The next prime is 64353013097. The reversal of 64353013066 is 66031035346.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 52237388025 + 12115625041 = 228555^2 + 110071^2 .

It is not an unprimeable number, because it can be changed into a prime (64353013061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16088253265 + ... + 16088253268.

Almost surely, 2^64353013066 is an apocalyptic number.

64353013066 is a deficient number, since it is larger than the sum of its proper divisors (32176506536).

64353013066 is a wasteful number, since it uses less digits than its factorization.

64353013066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32176506535.

The product of its (nonzero) digits is 116640, while the sum is 37.

The spelling of 64353013066 in words is "sixty-four billion, three hundred fifty-three million, thirteen thousand, sixty-six".