198966707 has 2 divisors, whose sum is σ = 198966708. Its totient is φ = 198966706.

The previous prime is 198966701. The next prime is 198966731. The reversal of 198966707 is 707669891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198966707 - 2⁶ = 198966643 is a prime.

It is not a weakly prime, because it can be changed into another prime (198966701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99483353 + 99483354.

It is an arithmetic number, because the mean of its divisors is an integer number (99483354).

Almost surely, 2^198966707 is an apocalyptic number.

198966707 is a deficient number, since it is larger than the sum of its proper divisors (1).

198966707 is an equidigital number, since it uses as much as digits as its factorization.

198966707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 53.

The square root of 198966707 is about 14105.5558912083. Note that the first 3 decimals coincide. The cubic root of 198966707 is about 583.7946858727.

The spelling of 198966707 in words is "one hundred ninety-eight million, nine hundred sixty-six thousand, seven hundred seven".