199236680496 has 90 divisors (see below), whose sum is σ = 648620457732. Its totient is φ = 56924763840.

The previous prime is 199236680473. The next prime is 199236680497. The reversal of 199236680496 is 694086632991.

199236680496 is a `hidden beast` number, since 1 + 9 + 9 + 2 + 3 + 66 + 80 + 496 = 666.

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 a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (199236680497) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14111190 + ... + 14125301.

Almost surely, 2^199236680496 is an apocalyptic number.

199236680496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

199236680496 is an abundant number, since it is smaller than the sum of its proper divisors (449383777236).

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

199236680496 is a wasteful number, since it uses less digits than its factorization.

199236680496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28236519 (or 28236503 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 199236680496 in words is "one hundred ninety-nine billion, two hundred thirty-six million, six hundred eighty thousand, four hundred ninety-six".