10131015166 has 4 divisors (see below), whose sum is σ = 15196522752. Its totient is φ = 5065507582.

The previous prime is 10131015157. The next prime is 10131015187. The reversal of 10131015166 is 66151013101.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10131015166.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532753790 + ... + 2532753793.

It is an arithmetic number, because the mean of its divisors is an integer number (3799130688).

Almost surely, 2^10131015166 is an apocalyptic number.

10131015166 is a deficient number, since it is larger than the sum of its proper divisors (5065507586).

10131015166 is an equidigital number, since it uses as much as digits as its factorization.

10131015166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5065507585.

The product of its (nonzero) digits is 540, while the sum is 25.

Adding to 10131015166 its reverse (66151013101), we get a palindrome (76282028267).

The spelling of 10131015166 in words is "ten billion, one hundred thirty-one million, fifteen thousand, one hundred sixty-six".