64566201 has 8 divisors (see below), whose sum is σ = 98386624. Its totient is φ = 36894960.

The previous prime is 64566197. The next prime is 64566217. The reversal of 64566201 is 10266546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64566201 - 2² = 64566197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (64566251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537270 + ... + 1537311.

It is an arithmetic number, because the mean of its divisors is an integer number (12298328).

Almost surely, 2^64566201 is an apocalyptic number.

It is an amenable number.

64566201 is a deficient number, since it is larger than the sum of its proper divisors (33820423).

64566201 is a wasteful number, since it uses less digits than its factorization.

64566201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074591.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 64566201 is about 8035.3096393356. The cubic root of 64566201 is about 401.1761238590.

It can be divided in two parts, 6456620 and 1, that added together give a triangular number (6456621 = T₃₅₉₃).

The spelling of 64566201 in words is "sixty-four million, five hundred sixty-six thousand, two hundred one".