199862672628 has 96 divisors (see below), whose sum is σ = 488312229888. Its totient is φ = 63550080000.

The previous prime is 199862672621. The next prime is 199862672701. The reversal of 199862672628 is 826276268991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199862672621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9046051 + ... + 9068117.

It is an arithmetic number, because the mean of its divisors is an integer number (5086585728).

Almost surely, 2^199862672628 is an apocalyptic number.

It is an amenable number.

199862672628 is an abundant number, since it is smaller than the sum of its proper divisors (288449557260).

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

199862672628 is a wasteful number, since it uses less digits than its factorization.

199862672628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22453 (or 22451 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 66.

The spelling of 199862672628 in words is "one hundred ninety-nine billion, eight hundred sixty-two million, six hundred seventy-two thousand, six hundred twenty-eight".