1001661842675 has 12 divisors (see below), whose sum is σ = 1337603814960. Its totient is φ = 739688745120.

The previous prime is 1001661842663. The next prime is 1001661842681. The reversal of 1001661842675 is 5762481661001.

It is not a de Polignac number, because 1001661842675 - 2⁶ = 1001661842611 is a prime.

It is a super-3 number, since 3×1001661842675³ (a number of 37 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1541017895 + ... + 1541018544.

It is an arithmetic number, because the mean of its divisors is an integer number (111466984580).

Almost surely, 2^{1001661842675} is an apocalyptic number.

1001661842675 is a deficient number, since it is larger than the sum of its proper divisors (335941972285).

1001661842675 is a wasteful number, since it uses less digits than its factorization.

1001661842675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082036462 (or 3082036457 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 1001661842675 in words is "one trillion, one billion, six hundred sixty-one million, eight hundred forty-two thousand, six hundred seventy-five".