1167866289090 has 48 divisors (see below), whose sum is σ = 3037678790328. Its totient is φ = 311305221888.

The previous prime is 1167866289011. The next prime is 1167866289113. The reversal of 1167866289090 is 909826687611.

It can be written as a sum of positive squares in 4 ways, for example, as 1125659462841 + 42206826249 = 1060971^2 + 205443^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2396427 + ... + 2842286.

Almost surely, 2^{1167866289090} is an apocalyptic number.

1167866289090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1167866289090 is an abundant number, since it is smaller than the sum of its proper divisors (1869812501238).

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

1167866289090 is a wasteful number, since it uses less digits than its factorization.

1167866289090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5241203 (or 5241200 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 1167866289090 in words is "one trillion, one hundred sixty-seven billion, eight hundred sixty-six million, two hundred eighty-nine thousand, ninety".