64294161 has 4 divisors (see below), whose sum is σ = 85725552. Its totient is φ = 42862772.

The previous prime is 64294147. The next prime is 64294163. The reversal of 64294161 is 16149246.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 64294161 - 2¹⁰ = 64293137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64294163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10715691 + ... + 10715696.

It is an arithmetic number, because the mean of its divisors is an integer number (21431388).

Almost surely, 2^64294161 is an apocalyptic number.

It is an amenable number.

64294161 is a deficient number, since it is larger than the sum of its proper divisors (21431391).

64294161 is a wasteful number, since it uses less digits than its factorization.

64294161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21431390.

The product of its digits is 10368, while the sum is 33.

The square root of 64294161 is about 8018.3639852529. The cubic root of 64294161 is about 400.6118988887.

The spelling of 64294161 in words is "sixty-four million, two hundred ninety-four thousand, one hundred sixty-one".