1161655032 has 16 divisors (see below), whose sum is σ = 2904137640. Its totient is φ = 387218336.

The previous prime is 1161655013. The next prime is 1161655039. The reversal of 1161655032 is 2305561611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161655039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24201123 + ... + 24201170.

Almost surely, 2^1161655032 is an apocalyptic number.

1161655032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1161655032 is an abundant number, since it is smaller than the sum of its proper divisors (1742482608).

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

1161655032 is a wasteful number, since it uses less digits than its factorization.

1161655032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48402302 (or 48402298 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1161655032 is about 34083.0607780463. The cubic root of 1161655032 is about 1051.2170414057.

The spelling of 1161655032 in words is "one billion, one hundred sixty-one million, six hundred fifty-five thousand, thirty-two".