1161546376 has 8 divisors (see below), whose sum is σ = 2177899470. Its totient is φ = 580773184.

The previous prime is 1161546343. The next prime is 1161546427. The reversal of 1161546376 is 6736451611.

It can be written as a sum of positive squares in only one way, i.e., 807128100 + 354418276 = 28410^2 + 18826^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72596641 + ... + 72596656.

Almost surely, 2^1161546376 is an apocalyptic number.

It is an amenable number.

1161546376 is a deficient number, since it is larger than the sum of its proper divisors (1016353094).

1161546376 is a wasteful number, since it uses less digits than its factorization.

1161546376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145193303 (or 145193299 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 1161546376 is about 34081.4667524741. The cubic root of 1161546376 is about 1051.1842650085.

Adding to 1161546376 its reverse (6736451611), we get a palindrome (7897997987).

The spelling of 1161546376 in words is "one billion, one hundred sixty-one million, five hundred forty-six thousand, three hundred seventy-six".