1162640223 has 20 divisors (see below), whose sum is σ = 1742405808. Its totient is φ = 772584480.

The previous prime is 1162640221. The next prime is 1162640243. The reversal of 1162640223 is 3220462611.

1162640223 is a `hidden beast` number, since 1 + 16 + 2 + 640 + 2 + 2 + 3 = 666.

It is not a de Polignac number, because 1162640223 - 2¹ = 1162640221 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162640221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2115 + ... + 48267.

Almost surely, 2^1162640223 is an apocalyptic number.

1162640223 is a deficient number, since it is larger than the sum of its proper divisors (579765585).

1162640223 is an equidigital number, since it uses as much as digits as its factorization.

1162640223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46476 (or 46467 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 1162640223 is about 34097.5105102997. The cubic root of 1162640223 is about 1051.5141338879.

The spelling of 1162640223 in words is "one billion, one hundred sixty-two million, six hundred forty thousand, two hundred twenty-three".