1161441632 has 48 divisors (see below), whose sum is σ = 2607347232. Its totient is φ = 504514560.

The previous prime is 1161441601. The next prime is 1161441703. The reversal of 1161441632 is 2361441611.

It is a junction number, because it is equal to n+sod(n) for n = 1161441595 and 1161441604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75044 + ... + 89187.

It is an arithmetic number, because the mean of its divisors is an integer number (54319734).

Almost surely, 2^1161441632 is an apocalyptic number.

It is an amenable number.

1161441632 is an abundant number, since it is smaller than the sum of its proper divisors (1445905600).

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

1161441632 is a wasteful number, since it uses less digits than its factorization.

1161441632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164271 (or 164263 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 1161441632 is about 34079.9300468766. The cubic root of 1161441632 is about 1051.1526667424.

The spelling of 1161441632 in words is "one billion, one hundred sixty-one million, four hundred forty-one thousand, six hundred thirty-two".