690120320198 has 16 divisors (see below), whose sum is σ = 1042875222576. Its totient is φ = 342504015840.

The previous prime is 690120320143. The next prime is 690120320221. The reversal of 690120320198 is 891023021096.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034761 + ... + 2349572.

It is an arithmetic number, because the mean of its divisors is an integer number (65179701411).

Almost surely, 2^690120320198 is an apocalyptic number.

690120320198 is a deficient number, since it is larger than the sum of its proper divisors (352754902378).

690120320198 is a wasteful number, since it uses less digits than its factorization.

690120320198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384919.

The product of its (nonzero) digits is 46656, while the sum is 41.

The spelling of 690120320198 in words is "six hundred ninety billion, one hundred twenty million, three hundred twenty thousand, one hundred ninety-eight".