669983098 has 8 divisors (see below), whose sum is σ = 1037393280. Its totient is φ = 324185340.

The previous prime is 669983071. The next prime is 669983099. The reversal of 669983098 is 890389966.

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

It is not an unprimeable number, because it can be changed into a prime (669983099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5403028 + ... + 5403151.

It is an arithmetic number, because the mean of its divisors is an integer number (129674160).

Almost surely, 2^669983098 is an apocalyptic number.

669983098 is a deficient number, since it is larger than the sum of its proper divisors (367410182).

669983098 is a wasteful number, since it uses less digits than its factorization.

669983098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10806212.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The square root of 669983098 is about 25884.0317184167. The cubic root of 669983098 is about 875.0266540996.

The spelling of 669983098 in words is "six hundred sixty-nine million, nine hundred eighty-three thousand, ninety-eight".