199147993586 has 16 divisors (see below), whose sum is σ = 316466714880. Its totient is φ = 93665490240.

The previous prime is 199147993549. The next prime is 199147993661. The reversal of 199147993586 is 685399741991.

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, 1537226 + ... + 1661733.

It is an arithmetic number, because the mean of its divisors is an integer number (19779169680).

Almost surely, 2^199147993586 is an apocalyptic number.

199147993586 is a deficient number, since it is larger than the sum of its proper divisors (117318721294).

199147993586 is a wasteful number, since it uses less digits than its factorization.

199147993586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200809.

The product of its digits is 132269760, while the sum is 71.

The spelling of 199147993586 in words is "one hundred ninety-nine billion, one hundred forty-seven million, nine hundred ninety-three thousand, five hundred eighty-six".