1161556606 has 16 divisors (see below), whose sum is σ = 2008864224. Its totient is φ = 493403904.

The previous prime is 1161556589. The next prime is 1161556631. The reversal of 1161556606 is 6066551611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365535 + ... + 368698.

It is an arithmetic number, because the mean of its divisors is an integer number (125554014).

Almost surely, 2^1161556606 is an apocalyptic number.

1161556606 is a deficient number, since it is larger than the sum of its proper divisors (847307618).

1161556606 is a wasteful number, since it uses less digits than its factorization.

1161556606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734355.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 1161556606 is about 34081.6168337126. The cubic root of 1161556606 is about 1051.1873510048.

The spelling of 1161556606 in words is "one billion, one hundred sixty-one million, five hundred fifty-six thousand, six hundred six".