1161251606 has 8 divisors (see below), whose sum is σ = 1844340840. Its totient is φ = 546471328.

The previous prime is 1161251591. The next prime is 1161251621. The reversal of 1161251606 is 6061521611.

It is an interprime number because it is at equal distance from previous prime (1161251591) and next prime (1161251621).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17077196 + ... + 17077263.

It is an arithmetic number, because the mean of its divisors is an integer number (230542605).

Almost surely, 2^1161251606 is an apocalyptic number.

1161251606 is a deficient number, since it is larger than the sum of its proper divisors (683089234).

1161251606 is a wasteful number, since it uses less digits than its factorization.

1161251606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34154478.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1161251606 is about 34077.1419869683. The cubic root of 1161251606 is about 1051.0953364884.

The spelling of 1161251606 in words is "one billion, one hundred sixty-one million, two hundred fifty-one thousand, six hundred six".