1630170471666 has 32 divisors (see below), whose sum is σ = 3573592171776. Its totient is φ = 491649858000.

The previous prime is 1630170471661. The next prime is 1630170471707. The reversal of 1630170471666 is 6661740710361.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1630170471661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58515820 + ... + 58543671.

It is an arithmetic number, because the mean of its divisors is an integer number (111674755368).

Almost surely, 2^{1630170471666} is an apocalyptic number.

1630170471666 is an abundant number, since it is smaller than the sum of its proper divisors (1943421700110).

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

1630170471666 is a wasteful number, since it uses less digits than its factorization.

1630170471666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117059718.

The product of its (nonzero) digits is 762048, while the sum is 48.

The spelling of 1630170471666 in words is "one trillion, six hundred thirty billion, one hundred seventy million, four hundred seventy-one thousand, six hundred sixty-six".