5051001106666 has 16 divisors (see below), whose sum is σ = 7838002873800. Its totient is φ = 2438338871808.

The previous prime is 5051001106631. The next prime is 5051001106667. The reversal of 5051001106666 is 6666011001505.

It can be written as a sum of positive squares in 4 ways, for example, as 2964839740641 + 2086161366025 = 1721871^2 + 1444355^2 .

It is a super-2 number, since 2×5051001106666² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5051001106667) 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, 566290 + ... + 3228418.

Almost surely, 2^{5051001106666} is an apocalyptic number.

5051001106666 is a deficient number, since it is larger than the sum of its proper divisors (2787001767134).

5051001106666 is a wasteful number, since it uses less digits than its factorization.

5051001106666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2694873.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 5051001106666 in words is "five trillion, fifty-one billion, one million, one hundred six thousand, six hundred sixty-six".