64536199246 has 8 divisors (see below), whose sum is σ = 97453992600. Its totient is φ = 32051535048.

The previous prime is 64536199241. The next prime is 64536199271. The reversal of 64536199246 is 64299163546.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64536199241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108281916 + ... + 108282511.

It is an arithmetic number, because the mean of its divisors is an integer number (12181749075).

Almost surely, 2^64536199246 is an apocalyptic number.

64536199246 is a deficient number, since it is larger than the sum of its proper divisors (32917793354).

64536199246 is a wasteful number, since it uses less digits than its factorization.

64536199246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216564578.

The product of its digits is 8398080, while the sum is 55.

The spelling of 64536199246 in words is "sixty-four billion, five hundred thirty-six million, one hundred ninety-nine thousand, two hundred forty-six".