1165867891936 has 24 divisors (see below), whose sum is σ = 2503966268664. Its totient is φ = 529939950720.

The previous prime is 1165867891919. The next prime is 1165867891957. The reversal of 1165867891936 is 6391987685611.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1656061995 + ... + 1656062698.

It is an arithmetic number, because the mean of its divisors is an integer number (104331927861).

Almost surely, 2^{1165867891936} is an apocalyptic number.

1165867891936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1165867891936 is an abundant number, since it is smaller than the sum of its proper divisors (1338098376728).

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

1165867891936 is a wasteful number, since it uses less digits than its factorization.

1165867891936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3312124714 (or 3312124706 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 70.

The spelling of 1165867891936 in words is "one trillion, one hundred sixty-five billion, eight hundred sixty-seven million, eight hundred ninety-one thousand, nine hundred thirty-six".