1630101666 has 8 divisors (see below), whose sum is σ = 3260203344. Its totient is φ = 543367220.

The previous prime is 1630101659. The next prime is 1630101673. The reversal of 1630101666 is 6661010361.

It is an interprime number because it is at equal distance from previous prime (1630101659) and next prime (1630101673).

It is a sphenic number, since it is the product of 3 distinct primes.

1630101666 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135841800 + ... + 135841811.

It is an arithmetic number, because the mean of its divisors is an integer number (407525418).

Almost surely, 2^1630101666 is an apocalyptic number.

1630101666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1630101666 is a wasteful number, since it uses less digits than its factorization.

1630101666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271683616.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1630101666 is about 40374.5175327211. The cubic root of 1630101666 is about 1176.8963892561.

The spelling of 1630101666 in words is "one billion, six hundred thirty million, one hundred one thousand, six hundred sixty-six".