199494092221896 has 64 divisors (see below), whose sum is σ = 532103685727680. Its totient is φ = 62108623216640.

The previous prime is 199494092221859. The next prime is 199494092221901. The reversal of 199494092221896 is 698122290494991.

It is a super-3 number, since 3×199494092221896³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (75) 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 15 ways as a sum of consecutive naturals, for example, 1866191241 + ... + 1866298136.

It is an arithmetic number, because the mean of its divisors is an integer number (8314120089495).

Almost surely, 2^{199494092221896} is an apocalyptic number.

It is an amenable number.

199494092221896 is an abundant number, since it is smaller than the sum of its proper divisors (332609593505784).

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

199494092221896 is a wasteful number, since it uses less digits than its factorization.

199494092221896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732489534 (or 3732489530 counting only the distinct ones).

The product of its (nonzero) digits is 362797056, while the sum is 75.

The spelling of 199494092221896 in words is "one hundred ninety-nine trillion, four hundred ninety-four billion, ninety-two million, two hundred twenty-one thousand, eight hundred ninety-six".