1163840036 has 6 divisors (see below), whose sum is σ = 2036720070. Its totient is φ = 581920016.

The previous prime is 1163840033. The next prime is 1163840057. The reversal of 1163840036 is 6300483611.

It can be written as a sum of positive squares in only one way, i.e., 867655936 + 296184100 = 29456^2 + 17210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1163839984 and 1163840011.

It is not an unprimeable number, because it can be changed into a prime (1163840033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145480001 + ... + 145480008.

It is an arithmetic number, because the mean of its divisors is an integer number (339453345).

Almost surely, 2^1163840036 is an apocalyptic number.

It is an amenable number.

1163840036 is a deficient number, since it is larger than the sum of its proper divisors (872880034).

1163840036 is a wasteful number, since it uses less digits than its factorization.

1163840036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290960013 (or 290960011 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 1163840036 is about 34115.0998239782. The cubic root of 1163840036 is about 1051.8757208361.

The spelling of 1163840036 in words is "one billion, one hundred sixty-three million, eight hundred forty thousand, thirty-six".