100166005001 has 4 divisors (see below), whose sum is σ = 100173768912. Its totient is φ = 100158241092.

The previous prime is 100166004977. The next prime is 100166005081. The reversal of 100166005001 is 100500661001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100166005001 - 2¹⁴ = 100165988617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100166005081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3862571 + ... + 3888416.

It is an arithmetic number, because the mean of its divisors is an integer number (25043442228).

Almost surely, 2^100166005001 is an apocalyptic number.

It is an amenable number.

100166005001 is a deficient number, since it is larger than the sum of its proper divisors (7763911).

100166005001 is an equidigital number, since it uses as much as digits as its factorization.

100166005001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7763910.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 100166005001 its reverse (100500661001), we get a palindrome (200666666002).

The spelling of 100166005001 in words is "one hundred billion, one hundred sixty-six million, five thousand, one".