1161432633 has 16 divisors (see below), whose sum is σ = 1631915136. Its totient is φ = 733286400.

The previous prime is 1161432607. The next prime is 1161432647. The reversal of 1161432633 is 3362341611.

It is not a de Polignac number, because 1161432633 - 2¹² = 1161428537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1161432633.

It is not an unprimeable number, because it can be changed into a prime (1161432683) 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, 76360 + ... + 90297.

It is an arithmetic number, because the mean of its divisors is an integer number (101994696).

Almost surely, 2^1161432633 is an apocalyptic number.

It is an amenable number.

1161432633 is a deficient number, since it is larger than the sum of its proper divisors (470482503).

1161432633 is a wasteful number, since it uses less digits than its factorization.

1161432633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166784.

The product of its digits is 7776, while the sum is 30.

The square root of 1161432633 is about 34079.7980187677. The cubic root of 1161432633 is about 1051.1499519131.

The spelling of 1161432633 in words is "one billion, one hundred sixty-one million, four hundred thirty-two thousand, six hundred thirty-three".