1161552984 has 32 divisors (see below), whose sum is σ = 2904768000. Its totient is φ = 387066272.

The previous prime is 1161552983. The next prime is 1161552991. The reversal of 1161552984 is 4892551611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161552983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113137 + ... + 122975.

It is an arithmetic number, because the mean of its divisors is an integer number (90774000).

Almost surely, 2^1161552984 is an apocalyptic number.

It is an amenable number.

1161552984 is an abundant number, since it is smaller than the sum of its proper divisors (1743215016).

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

1161552984 is a wasteful number, since it uses less digits than its factorization.

1161552984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767 (or 14763 counting only the distinct ones).

The product of its digits is 86400, while the sum is 42.

The square root of 1161552984 is about 34081.5636965207. The cubic root of 1161552984 is about 1051.1862583892.

The spelling of 1161552984 in words is "one billion, one hundred sixty-one million, five hundred fifty-two thousand, nine hundred eighty-four".