1166554532 has 48 divisors (see below), whose sum is σ = 2411025792. Its totient is φ = 486881280.

The previous prime is 1166554531. The next prime is 1166554547. The reversal of 1166554532 is 2354556611.

It is a super-2 number, since 2×1166554532² = 2721698952259478048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1166554531) 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, 105113 + ... + 115679.

It is an arithmetic number, because the mean of its divisors is an integer number (50229704).

Almost surely, 2^1166554532 is an apocalyptic number.

It is an amenable number.

1166554532 is an abundant number, since it is smaller than the sum of its proper divisors (1244471260).

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

1166554532 is a wasteful number, since it uses less digits than its factorization.

1166554532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10788 (or 10786 counting only the distinct ones).

The product of its digits is 108000, while the sum is 38.

The square root of 1166554532 is about 34154.8610303131. The cubic root of 1166554532 is about 1052.6928707727.

The spelling of 1166554532 in words is "one billion, one hundred sixty-six million, five hundred fifty-four thousand, five hundred thirty-two".