1169229648 has 20 divisors (see below), whose sum is σ = 3020510048. Its totient is φ = 389743200.

The previous prime is 1169229643. The next prime is 1169229667. The reversal of 1169229648 is 8469229611.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 24358951 = 1169229648 / (1 + 1 + 6 + 9 + 2 + 2 + 9 + 6 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 1169229597 and 1169229606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169229643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12179428 + ... + 12179523.

Almost surely, 2^1169229648 is an apocalyptic number.

It is an amenable number.

1169229648 is an abundant number, since it is smaller than the sum of its proper divisors (1851280400).

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

1169229648 is a wasteful number, since it uses less digits than its factorization.

1169229648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358962 (or 24358956 counting only the distinct ones).

The product of its digits is 373248, while the sum is 48.

The square root of 1169229648 is about 34194.0001754694. Note that the first 3 decimals coincide. The cubic root of 1169229648 is about 1053.4969268244.

The spelling of 1169229648 in words is "one billion, one hundred sixty-nine million, two hundred twenty-nine thousand, six hundred forty-eight".