1161506676 has 48 divisors (see below), whose sum is σ = 3019484160. Its totient is φ = 344481120.

The previous prime is 1161506663. The next prime is 1161506677. The reversal of 1161506676 is 6766051611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161506677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87406 + ... + 99813.

It is an arithmetic number, because the mean of its divisors is an integer number (62905920).

Almost surely, 2^1161506676 is an apocalyptic number.

It is an amenable number.

1161506676 is an abundant number, since it is smaller than the sum of its proper divisors (1857977484).

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

1161506676 is a wasteful number, since it uses less digits than its factorization.

1161506676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187284 (or 187282 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1161506676 is about 34080.8843195126. The cubic root of 1161506676 is about 1051.1722888787.

The spelling of 1161506676 in words is "one billion, one hundred sixty-one million, five hundred six thousand, six hundred seventy-six".