1887125606166 has 16 divisors (see below), whose sum is σ = 3996265989744. Its totient is φ = 592039405824.

The previous prime is 1887125606161. The next prime is 1887125606207. The reversal of 1887125606166 is 6616065217881.

It is a super-2 number, since 2×1887125606166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1887125606161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9250615615 + ... + 9250615818.

It is an arithmetic number, because the mean of its divisors is an integer number (249766624359).

Almost surely, 2^{1887125606166} is an apocalyptic number.

1887125606166 is an abundant number, since it is smaller than the sum of its proper divisors (2109140383578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1887125606166 is a wasteful number, since it uses less digits than its factorization.

1887125606166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501231455.

The product of its (nonzero) digits is 5806080, while the sum is 57.

The spelling of 1887125606166 in words is "one trillion, eight hundred eighty-seven billion, one hundred twenty-five million, six hundred six thousand, one hundred sixty-six".