198695305386 has 24 divisors (see below), whose sum is σ = 435693323520. Its totient is φ = 65433794856.

The previous prime is 198695305357. The next prime is 198695305409. The reversal of 198695305386 is 683503596891.

198695305386 is a `hidden beast` number, since 1 + 9 + 8 + 6 + 95 + 3 + 0 + 538 + 6 = 666.

It is a super-3 number, since 3×198695305386³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66496266 + ... + 66499253.

It is an arithmetic number, because the mean of its divisors is an integer number (18153888480).

Almost surely, 2^198695305386 is an apocalyptic number.

198695305386 is an abundant number, since it is smaller than the sum of its proper divisors (236998018134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198695305386 is a wasteful number, since it uses less digits than its factorization.

198695305386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132995610 (or 132995607 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 198695305386 in words is "one hundred ninety-eight billion, six hundred ninety-five million, three hundred five thousand, three hundred eighty-six".