149966433858 has 8 divisors (see below), whose sum is σ = 299932867728. Its totient is φ = 49988811284.

The previous prime is 149966433829. The next prime is 149966433863. The reversal of 149966433858 is 858334669941.

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

149966433858 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12497202816 + ... + 12497202827.

It is an arithmetic number, because the mean of its divisors is an integer number (37491608466).

Almost surely, 2^149966433858 is an apocalyptic number.

149966433858 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.

149966433858 is a wasteful number, since it uses less digits than its factorization.

149966433858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24994405648.

The product of its digits is 134369280, while the sum is 66.

The spelling of 149966433858 in words is "one hundred forty-nine billion, nine hundred sixty-six million, four hundred thirty-three thousand, eight hundred fifty-eight".