66471950200 has 48 divisors (see below), whose sum is σ = 154570419360. Its totient is φ = 26584800000.

The previous prime is 66471950197. The next prime is 66471950203. The reversal of 66471950200 is 205917466.

It is an interprime number because it is at equal distance from previous prime (66471950197) and next prime (66471950203).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66471950203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1569300 + ... + 1611100.

It is an arithmetic number, because the mean of its divisors is an integer number (3220217070).

Almost surely, 2^66471950200 is an apocalyptic number.

It is an amenable number.

66471950200 is an abundant number, since it is smaller than the sum of its proper divisors (88098469160).

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

66471950200 is a wasteful number, since it uses less digits than its factorization.

66471950200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49768 (or 49759 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 66471950200 in words is "sixty-six billion, four hundred seventy-one million, nine hundred fifty thousand, two hundred".