1161416560 has 40 divisors (see below), whose sum is σ = 2751252480. Its totient is φ = 455799552.

The previous prime is 1161416549. The next prime is 1161416603. The reversal of 1161416560 is 656141611.

It is a tau number, because it is divible by the number of its divisors (40).

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, 132720 + ... + 141199.

It is an arithmetic number, because the mean of its divisors is an integer number (68781312).

Almost surely, 2^1161416560 is an apocalyptic number.

1161416560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1161416560 is an abundant number, since it is smaller than the sum of its proper divisors (1589835920).

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

1161416560 is a wasteful number, since it uses less digits than its factorization.

1161416560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273985 (or 273979 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 1161416560 is about 34079.5622037608. The cubic root of 1161416560 is about 1051.1451029560.

The spelling of 1161416560 in words is "one billion, one hundred sixty-one million, four hundred sixteen thousand, five hundred sixty".