199154180046 has 8 divisors (see below), whose sum is σ = 398308360104. Its totient is φ = 66384726680.

The previous prime is 199154179981. The next prime is 199154180081. The reversal of 199154180046 is 640081451991.

It is a sphenic number, since it is the product of 3 distinct primes.

199154180046 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 199154179977 and 199154180004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16596181665 + ... + 16596181676.

It is an arithmetic number, because the mean of its divisors is an integer number (49788545013).

Almost surely, 2^199154180046 is an apocalyptic number.

199154180046 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

199154180046 is a wasteful number, since it uses less digits than its factorization.

199154180046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33192363346.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 199154180046 in words is "one hundred ninety-nine billion, one hundred fifty-four million, one hundred eighty thousand, forty-six".