1163661532 has 24 divisors (see below), whose sum is σ = 2268806400. Its totient is φ = 517682160.

The previous prime is 1163661493. The next prime is 1163661553. The reversal of 1163661532 is 2351663611.

It is a super-2 number, since 2×1163661532² = 2708216322113174048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 279282 + ... + 283417.

It is an arithmetic number, because the mean of its divisors is an integer number (94533600).

Almost surely, 2^1163661532 is an apocalyptic number.

It is an amenable number.

1163661532 is a deficient number, since it is larger than the sum of its proper divisors (1105144868).

1163661532 is a wasteful number, since it uses less digits than its factorization.

1163661532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562761 (or 562759 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 1163661532 is about 34112.4835214324. The cubic root of 1163661532 is about 1051.8219409299.

The spelling of 1163661532 in words is "one billion, one hundred sixty-three million, six hundred sixty-one thousand, five hundred thirty-two".