1162213660 has 96 divisors (see below), whose sum is σ = 2662894080. Its totient is φ = 424569600.

The previous prime is 1162213651. The next prime is 1162213669. The reversal of 1162213660 is 663122611.

It is an interprime number because it is at equal distance from previous prime (1162213651) and next prime (1162213669).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162213669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1841545 + ... + 1842175.

It is an arithmetic number, because the mean of its divisors is an integer number (27738480).

Almost surely, 2^1162213660 is an apocalyptic number.

1162213660 is a gapful number since it is divisible by the number (10) 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 1162213660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1331447040).

1162213660 is an abundant number, since it is smaller than the sum of its proper divisors (1500680420).

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

1162213660 is a wasteful number, since it uses less digits than its factorization.

1162213660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827 (or 825 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1162213660 is about 34091.2548903674. The cubic root of 1162213660 is about 1051.3855209027.

The spelling of 1162213660 in words is "one billion, one hundred sixty-two million, two hundred thirteen thousand, six hundred sixty".