1666350541230 has 64 divisors (see below), whose sum is σ = 4029149426688. Its totient is φ = 441048504960.

The previous prime is 1666350541211. The next prime is 1666350541231. The reversal of 1666350541230 is 321450536661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666350541231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1964464 + ... + 2681756.

It is an arithmetic number, because the mean of its divisors is an integer number (62955459792).

Almost surely, 2^{1666350541230} is an apocalyptic number.

1666350541230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1666350541230 is an abundant number, since it is smaller than the sum of its proper divisors (2362798885458).

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

1666350541230 is a wasteful number, since it uses less digits than its factorization.

1666350541230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717881.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 1666350541230 in words is "one trillion, six hundred sixty-six billion, three hundred fifty million, five hundred forty-one thousand, two hundred thirty".