199625840148 has 48 divisors (see below), whose sum is σ = 532675641344. Its totient is φ = 56999518560.

The previous prime is 199625840123. The next prime is 199625840201. The reversal of 199625840148 is 841048526991.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 626668 + ... + 889923.

Almost surely, 2^199625840148 is an apocalyptic number.

It is an amenable number.

199625840148 is an abundant number, since it is smaller than the sum of its proper divisors (333049801196).

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

199625840148 is a wasteful number, since it uses less digits than its factorization.

199625840148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518172 (or 1518170 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 199625840148 in words is "one hundred ninety-nine billion, six hundred twenty-five million, eight hundred forty thousand, one hundred forty-eight".