350663818 has 4 divisors (see below), whose sum is σ = 525995730. Its totient is φ = 175331908.

The previous prime is 350663801. The next prime is 350663861. The reversal of 350663818 is 818366053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 818366053 = 2069 ⋅395537.

It can be written as a sum of positive squares in only one way, i.e., 329531409 + 21132409 = 18153^2 + 4597^2 .

It is a super-2 number, since 2×350663818² = 245930226508674248, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87665953 + ... + 87665956.

Almost surely, 2^350663818 is an apocalyptic number.

350663818 is a deficient number, since it is larger than the sum of its proper divisors (175331912).

350663818 is a wasteful number, since it uses less digits than its factorization.

350663818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175331911.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 350663818 is about 18726.0198120156. The cubic root of 350663818 is about 705.1751274271.

The spelling of 350663818 in words is "three hundred fifty million, six hundred sixty-three thousand, eight hundred eighteen".