1161656134 has 16 divisors (see below), whose sum is σ = 1773605376. Its totient is φ = 570515400.

The previous prime is 1161656113. The next prime is 1161656141. The reversal of 1161656134 is 4316561611.

It is a self number, because there is not a number n which added to its sum of digits gives 1161656134.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 23389 + ... + 53575.

It is an arithmetic number, because the mean of its divisors is an integer number (110850336).

Almost surely, 2^1161656134 is an apocalyptic number.

1161656134 is a deficient number, since it is larger than the sum of its proper divisors (611949242).

1161656134 is a wasteful number, since it uses less digits than its factorization.

1161656134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30531.

The product of its digits is 12960, while the sum is 34.

The square root of 1161656134 is about 34083.0769444309. The cubic root of 1161656134 is about 1051.2173738168.

The spelling of 1161656134 in words is "one billion, one hundred sixty-one million, six hundred fifty-six thousand, one hundred thirty-four".