207996905133 has 16 divisors (see below), whose sum is σ = 308227924800. Its totient is φ = 138626640720.

The previous prime is 207996905113. The next prime is 207996905141. The reversal of 207996905133 is 331509699702.

It is a happy number.

It is not a de Polignac number, because 207996905133 - 2⁸ = 207996904877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207996905133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207996905113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 953898 + ... + 1151483.

It is an arithmetic number, because the mean of its divisors is an integer number (19264245300).

Almost surely, 2^207996905133 is an apocalyptic number.

It is an amenable number.

207996905133 is a deficient number, since it is larger than the sum of its proper divisors (100231019667).

207996905133 is a wasteful number, since it uses less digits than its factorization.

207996905133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109049 (or 2109043 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 54.

The spelling of 207996905133 in words is "two hundred seven billion, nine hundred ninety-six million, nine hundred five thousand, one hundred thirty-three".