64348161 has 4 divisors (see below), whose sum is σ = 85797552. Its totient is φ = 42898772.

The previous prime is 64348159. The next prime is 64348199. The reversal of 64348161 is 16184346.

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 64348161 - 2¹ = 64348159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64348261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10724691 + ... + 10724696.

It is an arithmetic number, because the mean of its divisors is an integer number (21449388).

It is a Proth number, since it is equal to 7855 ⋅ 2¹³ + 1 and 7855 < 2¹³.

Almost surely, 2^64348161 is an apocalyptic number.

It is an amenable number.

64348161 is a deficient number, since it is larger than the sum of its proper divisors (21449391).

64348161 is a wasteful number, since it uses less digits than its factorization.

64348161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21449390.

The product of its digits is 13824, while the sum is 33.

The square root of 64348161 is about 8021.7305489526. The cubic root of 64348161 is about 400.7240240987.

The spelling of 64348161 in words is "sixty-four million, three hundred forty-eight thousand, one hundred sixty-one".