1198796668 has 6 divisors (see below), whose sum is σ = 2097894176. Its totient is φ = 599398332.

The previous prime is 1198796657. The next prime is 1198796671. The reversal of 1198796668 is 8666978911.

It is a super-2 number, since 2×1198796668² = 2874226902415804448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149849580 + ... + 149849587.

Almost surely, 2^1198796668 is an apocalyptic number.

It is an amenable number.

1198796668 is a deficient number, since it is larger than the sum of its proper divisors (899097508).

1198796668 is a wasteful number, since it uses less digits than its factorization.

1198796668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299699171 (or 299699169 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 61.

The square root of 1198796668 is about 34623.6431936329. The cubic root of 1198796668 is about 1062.3032473140.

The spelling of 1198796668 in words is "one billion, one hundred ninety-eight million, seven hundred ninety-six thousand, six hundred sixty-eight".