1161106506 has 48 divisors (see below), whose sum is σ = 2878871424. Its totient is φ = 331312032.

The previous prime is 1161106469. The next prime is 1161106559. The reversal of 1161106506 is 6056011611.

1161106506 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 1 + 0 + 650 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1161106506.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98100 + ... + 109296.

It is an arithmetic number, because the mean of its divisors is an integer number (59976488).

Almost surely, 2^1161106506 is an apocalyptic number.

1161106506 is an abundant number, since it is smaller than the sum of its proper divisors (1717764918).

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

1161106506 is a wasteful number, since it uses less digits than its factorization.

1161106506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12035 (or 12032 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 1161106506 is about 34075.0129273637. The cubic root of 1161106506 is about 1051.0515560578.

The spelling of 1161106506 in words is "one billion, one hundred sixty-one million, one hundred six thousand, five hundred six".