1161330630 has 32 divisors (see below), whose sum is σ = 2834438400. Its totient is φ = 304438752.

The previous prime is 1161330529. The next prime is 1161330641. The reversal of 1161330630 is 360331611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161330630.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 326290 + ... + 329829.

It is an arithmetic number, because the mean of its divisors is an integer number (88576200).

Almost surely, 2^1161330630 is an apocalyptic number.

1161330630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1161330630 is an abundant number, since it is smaller than the sum of its proper divisors (1673107770).

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

1161330630 is a wasteful number, since it uses less digits than its factorization.

1161330630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656188.

The product of its (nonzero) digits is 972, while the sum is 24.

The square root of 1161330630 is about 34078.3014541511. The cubic root of 1161330630 is about 1051.1191785434.

The spelling of 1161330630 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, six hundred thirty".