1162386881 has 8 divisors (see below), whose sum is σ = 1211766528. Its totient is φ = 1113750000.

The previous prime is 1162386853. The next prime is 1162386899. The reversal of 1162386881 is 1886832611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1162386881 - 2³⁰ = 88645057 is a prime.

It is a super-2 number, since 2×1162386881² = 2702286522241816322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162386821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182495 + ... + 188756.

It is an arithmetic number, because the mean of its divisors is an integer number (151470816).

Almost surely, 2^1162386881 is an apocalyptic number.

It is an amenable number.

1162386881 is a deficient number, since it is larger than the sum of its proper divisors (49379647).

1162386881 is a wasteful number, since it uses less digits than its factorization.

1162386881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371383.

The product of its digits is 110592, while the sum is 44.

The square root of 1162386881 is about 34093.7953446078. The cubic root of 1162386881 is about 1051.4377525505.

The spelling of 1162386881 in words is "one billion, one hundred sixty-two million, three hundred eighty-six thousand, eight hundred eighty-one".