1161330764 has 12 divisors (see below), whose sum is σ = 2217086088. Its totient is φ = 527877600.

The previous prime is 1161330761. The next prime is 1161330791. The reversal of 1161330764 is 4670331611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161330764.

It is not an unprimeable number, because it can be changed into a prime (1161330761) 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, 13196897 + ... + 13196984.

It is an arithmetic number, because the mean of its divisors is an integer number (184757174).

Almost surely, 2^1161330764 is an apocalyptic number.

It is an amenable number.

1161330764 is a deficient number, since it is larger than the sum of its proper divisors (1055755324).

1161330764 is a wasteful number, since it uses less digits than its factorization.

1161330764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26393896 (or 26393894 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1161330764 is about 34078.3034202115. The cubic root of 1161330764 is about 1051.1192189711.

The spelling of 1161330764 in words is "one billion, one hundred sixty-one million, three hundred thirty thousand, seven hundred sixty-four".