666140030020200 has 48 divisors (see below), whose sum is σ = 2065034093064480. Its totient is φ = 177637341338560.

The previous prime is 666140030020099. The next prime is 666140030020271. The reversal of 666140030020200 is 2020030041666.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 555116691084 + ... + 555116692283.

It is an arithmetic number, because the mean of its divisors is an integer number (43021543605510).

Almost surely, 2^{666140030020200} is an apocalyptic number.

666140030020200 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

666140030020200 is an abundant number, since it is smaller than the sum of its proper divisors (1398894063044280).

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

666140030020200 is a wasteful number, since it uses less digits than its factorization.

666140030020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110233383386 (or 1110233383377 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 666140030020200 its reverse (2020030041666), we get a palindrome (668160060061866).

The spelling of 666140030020200 in words is "six hundred sixty-six trillion, one hundred forty billion, thirty million, twenty thousand, two hundred".