64115361 has 8 divisors (see below), whose sum is σ = 94985760. Its totient is φ = 42743556.

The previous prime is 64115341. The next prime is 64115371. The reversal of 64115361 is 16351146.

64115361 is a `hidden beast` number, since 641 + 15 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 64115361 - 2⁶ = 64115297 is a prime.

It is a super-2 number, since 2×64115361² = 8221559032320642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2374643 = 64115361 / (6 + 4 + 1 + 1 + 5 + 3 + 6 + 1).

It is not an unprimeable number, because it can be changed into a prime (64115321) 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, 1187295 + ... + 1187348.

It is an arithmetic number, because the mean of its divisors is an integer number (11873220).

Almost surely, 2^64115361 is an apocalyptic number.

It is an amenable number.

64115361 is a deficient number, since it is larger than the sum of its proper divisors (30870399).

64115361 is a wasteful number, since it uses less digits than its factorization.

64115361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374652 (or 2374646 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 64115361 is about 8007.2068163624. The cubic root of 64115361 is about 400.2401911583.

The spelling of 64115361 in words is "sixty-four million, one hundred fifteen thousand, three hundred sixty-one".