161255006 has 24 divisors (see below), whose sum is σ = 268894080. Its totient is φ = 72464480.

The previous prime is 161254981. The next prime is 161255011. The reversal of 161255006 is 600552161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17795 + ... + 25281.

It is an arithmetic number, because the mean of its divisors is an integer number (11203920).

Almost surely, 2^161255006 is an apocalyptic number.

161255006 is a deficient number, since it is larger than the sum of its proper divisors (107639074).

161255006 is a wasteful number, since it uses less digits than its factorization.

161255006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600 (or 7589 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 161255006 is about 12698.6222087280. The cubic root of 161255006 is about 544.2992491929.

The spelling of 161255006 in words is "one hundred sixty-one million, two hundred fifty-five thousand, six".