1161613460 has 48 divisors (see below), whose sum is σ = 2847204864. Its totient is φ = 389791488.

The previous prime is 1161613441. The next prime is 1161613471. The reversal of 1161613460 is 643161611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81689 + ... + 94848.

It is an arithmetic number, because the mean of its divisors is an integer number (59316768).

Almost surely, 2^1161613460 is an apocalyptic number.

1161613460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161613460 is an abundant number, since it is smaller than the sum of its proper divisors (1685591404).

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

1161613460 is a wasteful number, since it uses less digits than its factorization.

1161613460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176600 (or 176598 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1161613460 is about 34082.4509095223. The cubic root of 1161613460 is about 1051.2045013329.

The spelling of 1161613460 in words is "one billion, one hundred sixty-one million, six hundred thirteen thousand, four hundred sixty".