11898206646 has 16 divisors (see below), whose sum is σ = 23810456304. Its totient is φ = 3963728384.

The previous prime is 11898206641. The next prime is 11898206713. The reversal of 11898206646 is 64660289811.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898206641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574095 + ... + 594458.

It is an arithmetic number, because the mean of its divisors is an integer number (1488153519).

Almost surely, 2^11898206646 is an apocalyptic number.

11898206646 is an abundant number, since it is smaller than the sum of its proper divisors (11912249658).

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

11898206646 is a wasteful number, since it uses less digits than its factorization.

11898206646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170255.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 11898206646 in words is "eleven billion, eight hundred ninety-eight million, two hundred six thousand, six hundred forty-six".