1376857725166 has 16 divisors (see below), whose sum is σ = 2574902759040. Its totient is φ = 536438074680.

The previous prime is 1376857725161. The next prime is 1376857725223. The reversal of 1376857725166 is 6615277586731.

It is a junction number, because it is equal to n+sod(n) for n = 1376857725098 and 1376857725107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376857725161) 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 7 ways as a sum of consecutive naturals, for example, 4470317136 + ... + 4470317443.

It is an arithmetic number, because the mean of its divisors is an integer number (160931422440).

Almost surely, 2^{1376857725166} is an apocalyptic number.

1376857725166 is a deficient number, since it is larger than the sum of its proper divisors (1198045033874).

1376857725166 is a wasteful number, since it uses less digits than its factorization.

1376857725166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940634599.

The product of its digits is 88905600, while the sum is 64.

The spelling of 1376857725166 in words is "one trillion, three hundred seventy-six billion, eight hundred fifty-seven million, seven hundred twenty-five thousand, one hundred sixty-six".