64366161409 has 8 divisors (see below), whose sum is σ = 70221853728. Its totient is φ = 58511172960.

The previous prime is 64366161373. The next prime is 64366161449. The reversal of 64366161409 is 90416166346.

64366161409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64366161409 - 2¹³ = 64366153217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64366161449) 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, 25254 + ... + 359680.

It is an arithmetic number, because the mean of its divisors is an integer number (8777731716).

Almost surely, 2^64366161409 is an apocalyptic number.

It is an amenable number.

64366161409 is a deficient number, since it is larger than the sum of its proper divisors (5855692319).

64366161409 is a wasteful number, since it uses less digits than its factorization.

64366161409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351935.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 64366161409 in words is "sixty-four billion, three hundred sixty-six million, one hundred sixty-one thousand, four hundred nine".