200838471660 has 144 divisors (see below), whose sum is σ = 630591474240. Its totient is φ = 51679434240.

The previous prime is 200838471629. The next prime is 200838471697. The reversal of 200838471660 is 66174838002.

200838471660 is a `hidden beast` number, since 200 + 8 + 384 + 7 + 1 + 6 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9547314 + ... + 9568326.

It is an arithmetic number, because the mean of its divisors is an integer number (4379107460).

Almost surely, 2^200838471660 is an apocalyptic number.

200838471660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200838471660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315295737120).

200838471660 is an abundant number, since it is smaller than the sum of its proper divisors (429753002580).

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

200838471660 is a wasteful number, since it uses less digits than its factorization.

200838471660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22888 (or 22883 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 200838471660 in words is "two hundred billion, eight hundred thirty-eight million, four hundred seventy-one thousand, six hundred sixty".