1665001050106 has 16 divisors (see below), whose sum is σ = 2595208089600. Its totient is φ = 800189148528.

The previous prime is 1665001050101. The next prime is 1665001050133. The reversal of 1665001050106 is 6010501005661.

It is a super-2 number, since 2×1665001050106² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1665001050101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64352346 + ... + 64378213.

It is an arithmetic number, because the mean of its divisors is an integer number (162200505600).

Almost surely, 2^{1665001050106} is an apocalyptic number.

1665001050106 is a deficient number, since it is larger than the sum of its proper divisors (930207039494).

1665001050106 is a wasteful number, since it uses less digits than its factorization.

1665001050106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128730813.

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 1665001050106 its reverse (6010501005661), we get a palindrome (7675502055767).

The spelling of 1665001050106 in words is "one trillion, six hundred sixty-five billion, one million, fifty thousand, one hundred six".