100406106601 has 4 divisors (see below), whose sum is σ = 100407014100. Its totient is φ = 100405199104.

The previous prime is 100406106551. The next prime is 100406106611. The reversal of 100406106601 is 106601604001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 22843299600 + 77562807001 = 151140^2 + 278501^2 .

It is a cyclic number.

It is not a de Polignac number, because 100406106601 - 2⁷ = 100406106473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100406106611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 260296 + ... + 518233.

It is an arithmetic number, because the mean of its divisors is an integer number (25101753525).

Almost surely, 2^100406106601 is an apocalyptic number.

It is an amenable number.

100406106601 is a deficient number, since it is larger than the sum of its proper divisors (907499).

100406106601 is an equidigital number, since it uses as much as digits as its factorization.

100406106601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907498.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 100406106601 in words is "one hundred billion, four hundred six million, one hundred six thousand, six hundred one".