64533606 has 32 divisors (see below), whose sum is σ = 131580288. Its totient is φ = 21096000.

The previous prime is 64533593. The next prime is 64533611. The reversal of 64533606 is 60633546.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109645 + ... + 110231.

It is an arithmetic number, because the mean of its divisors is an integer number (4111884).

Almost surely, 2^64533606 is an apocalyptic number.

64533606 is an abundant number, since it is smaller than the sum of its proper divisors (67046682).

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

64533606 is a wasteful number, since it uses less digits than its factorization.

64533606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916.

The product of its (nonzero) digits is 38880, while the sum is 33.

The square root of 64533606 is about 8033.2811478250. The cubic root of 64533606 is about 401.1086038221.

The spelling of 64533606 in words is "sixty-four million, five hundred thirty-three thousand, six hundred six".