64341666 has 24 divisors (see below), whose sum is σ = 139586304. Its totient is φ = 21419640.

The previous prime is 64341661. The next prime is 64341679. The reversal of 64341666 is 66614346.

It is a self number, because there is not a number n which added to its sum of digits gives 64341666.

It is not an unprimeable number, because it can be changed into a prime (64341661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16035 + ... + 19641.

It is an arithmetic number, because the mean of its divisors is an integer number (5816096).

Almost surely, 2^64341666 is an apocalyptic number.

64341666 is an abundant number, since it is smaller than the sum of its proper divisors (75244638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64341666 is a wasteful number, since it uses less digits than its factorization.

64341666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4603 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 64341666 is about 8021.3257009051. The cubic root of 64341666 is about 400.7105412472.

It can be divided in two parts, 6434 and 1666, that added together give a square (8100 = 90²).

The spelling of 64341666 in words is "sixty-four million, three hundred forty-one thousand, six hundred sixty-six".