1170661632 has 144 divisors (see below), whose sum is σ = 3612091392. Its totient is φ = 329656320.

The previous prime is 1170661607. The next prime is 1170661673. The reversal of 1170661632 is 2361660711.

It is a junction number, because it is equal to n+sod(n) for n = 1170661593 and 1170661602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380163 + ... + 383229.

It is an arithmetic number, because the mean of its divisors is an integer number (25083968).

Almost surely, 2^1170661632 is an apocalyptic number.

1170661632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1170661632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1806045696).

1170661632 is an abundant number, since it is smaller than the sum of its proper divisors (2441429760).

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

1170661632 is an equidigital number, since it uses as much as digits as its factorization.

1170661632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 1170661632 is about 34214.9328802498. The cubic root of 1170661632 is about 1053.9268324736.

The spelling of 1170661632 in words is "one billion, one hundred seventy million, six hundred sixty-one thousand, six hundred thirty-two".