1163375840 has 48 divisors (see below), whose sum is σ = 2998341360. Its totient is φ = 423045120.

The previous prime is 1163375839. The next prime is 1163375869. The reversal of 1163375840 is 485733611.

It is a junction number, because it is equal to n+sod(n) for n = 1163375794 and 1163375803.

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, 328745 + ... + 332264.

It is an arithmetic number, because the mean of its divisors is an integer number (62465445).

Almost surely, 2^1163375840 is an apocalyptic number.

1163375840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1163375840 is an abundant number, since it is smaller than the sum of its proper divisors (1834965520).

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

1163375840 is a wasteful number, since it uses less digits than its factorization.

1163375840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661035 (or 661027 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 1163375840 is about 34108.2957651068. The cubic root of 1163375840 is about 1051.7358558439.

The spelling of 1163375840 in words is "one billion, one hundred sixty-three million, three hundred seventy-five thousand, eight hundred forty".