396666601822 has 8 divisors (see below), whose sum is σ = 595024583400. Its totient is φ = 198325074024.

The previous prime is 396666601759. The next prime is 396666601873. The reversal of 396666601822 is 228106666693.

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, 4052997 + ... + 4149712.

It is an arithmetic number, because the mean of its divisors is an integer number (74378072925).

Almost surely, 2^396666601822 is an apocalyptic number.

396666601822 is a deficient number, since it is larger than the sum of its proper divisors (198357981578).

396666601822 is a wasteful number, since it uses less digits than its factorization.

396666601822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8226890.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 396666601822 in words is "three hundred ninety-six billion, six hundred sixty-six million, six hundred one thousand, eight hundred twenty-two".