1163756216 has 32 divisors (see below), whose sum is σ = 2640457440. Its totient is φ = 469413888.

The previous prime is 1163756207. The next prime is 1163756221. The reversal of 1163756216 is 6126573611.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1163756216.

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, 610265 + ... + 612168.

It is an arithmetic number, because the mean of its divisors is an integer number (82514295).

Almost surely, 2^1163756216 is an apocalyptic number.

It is an amenable number.

1163756216 is an abundant number, since it is smaller than the sum of its proper divisors (1476701224).

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

1163756216 is a wasteful number, since it uses less digits than its factorization.

1163756216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222463 (or 1222459 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The square root of 1163756216 is about 34113.8713135874. The cubic root of 1163756216 is about 1051.8504681275.

The spelling of 1163756216 in words is "one billion, one hundred sixty-three million, seven hundred fifty-six thousand, two hundred sixteen".