64149366 has 16 divisors (see below), whose sum is σ = 128379888. Its totient is φ = 21369600.

The previous prime is 64149361. The next prime is 64149373. The reversal of 64149366 is 66394146.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64149361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13006 + ... + 17246.

It is an arithmetic number, because the mean of its divisors is an integer number (8023743).

Almost surely, 2^64149366 is an apocalyptic number.

64149366 is an abundant number, since it is smaller than the sum of its proper divisors (64230522).

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

64149366 is a wasteful number, since it uses less digits than its factorization.

64149366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6767.

The product of its digits is 93312, while the sum is 39.

The square root of 64149366 is about 8009.3299345201. The cubic root of 64149366 is about 400.3109373989.

It can be divided in two parts, 6414936 and 6, that multiplied together give a square (38489616 = 6204²).

The spelling of 64149366 in words is "sixty-four million, one hundred forty-nine thousand, three hundred sixty-six".