64371366 has 12 divisors (see below), whose sum is σ = 139471332. Its totient is φ = 21457116.

The previous prime is 64371361. The next prime is 64371421. The reversal of 64371366 is 66317346.

It is a happy number.

64371366 is a `hidden beast` number, since 643 + 7 + 1 + 3 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 64371366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64371361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1788076 + ... + 1788111.

It is an arithmetic number, because the mean of its divisors is an integer number (11622611).

Almost surely, 2^64371366 is an apocalyptic number.

64371366 is an abundant number, since it is smaller than the sum of its proper divisors (75099966).

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

64371366 is a wasteful number, since it uses less digits than its factorization.

64371366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576195 (or 3576192 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 64371366 is about 8023.1768022399. The cubic root of 64371366 is about 400.7721875235.

The spelling of 64371366 in words is "sixty-four million, three hundred seventy-one thousand, three hundred sixty-six".