641036366 has 8 divisors (see below), whose sum is σ = 961812144. Its totient is φ = 320432320.

The previous prime is 641036309. The next prime is 641036377. The reversal of 641036366 is 663630146.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33155 + ... + 48798.

It is an arithmetic number, because the mean of its divisors is an integer number (120226518).

Almost surely, 2^641036366 is an apocalyptic number.

641036366 is a deficient number, since it is larger than the sum of its proper divisors (320775778).

641036366 is a wasteful number, since it uses less digits than its factorization.

641036366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85866.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 641036366 is about 25318.6959774788. The cubic root of 641036366 is about 862.2387882517.

The spelling of 641036366 in words is "six hundred forty-one million, thirty-six thousand, three hundred sixty-six".