1162086561 has 32 divisors (see below), whose sum is σ = 1825764480. Its totient is φ = 727999488.

The previous prime is 1162086559. The next prime is 1162086571. The reversal of 1162086561 is 1656802611.

1162086561 is a `hidden beast` number, since 1 + 16 + 2 + 0 + 86 + 561 = 666.

It is not a de Polignac number, because 1162086561 - 2¹ = 1162086559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1162086511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 359625 + ... + 362841.

It is an arithmetic number, because the mean of its divisors is an integer number (57055140).

Almost surely, 2^1162086561 is an apocalyptic number.

It is an amenable number.

1162086561 is a deficient number, since it is larger than the sum of its proper divisors (663677919).

1162086561 is a wasteful number, since it uses less digits than its factorization.

1162086561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030 (or 4024 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1162086561 is about 34089.3907396422. The cubic root of 1162086561 is about 1051.3471932054.

The spelling of 1162086561 in words is "one billion, one hundred sixty-two million, eighty-six thousand, five hundred sixty-one".