1913867166 has 32 divisors (see below), whose sum is σ = 3912311808. Its totient is φ = 623881440.

The previous prime is 1913867161. The next prime is 1913867173. The reversal of 1913867166 is 6617683191.

1913867166 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1913867161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543351 + ... + 546861.

It is an arithmetic number, because the mean of its divisors is an integer number (122259744).

Almost surely, 2^1913867166 is an apocalyptic number.

1913867166 is an abundant number, since it is smaller than the sum of its proper divisors (1998444642).

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

1913867166 is a wasteful number, since it uses less digits than its factorization.

1913867166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

The product of its digits is 326592, while the sum is 48.

The square root of 1913867166 is about 43747.7675544707. The cubic root of 1913867166 is about 1241.5682477392.

The spelling of 1913867166 in words is "one billion, nine hundred thirteen million, eight hundred sixty-seven thousand, one hundred sixty-six".