10199256906 has 32 divisors (see below), whose sum is σ = 21299163840. Its totient is φ = 3251835776.

The previous prime is 10199256901. The next prime is 10199256917. The reversal of 10199256906 is 60965299101.

It is not an unprimeable number, because it can be changed into a prime (10199256901) 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, 255291 + ... + 292526.

It is an arithmetic number, because the mean of its divisors is an integer number (665598870).

Almost surely, 2^10199256906 is an apocalyptic number.

10199256906 is an abundant number, since it is smaller than the sum of its proper divisors (11099906934).

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

10199256906 is a wasteful number, since it uses less digits than its factorization.

10199256906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547958.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 10199256906 in words is "ten billion, one hundred ninety-nine million, two hundred fifty-six thousand, nine hundred six".