161807006 has 16 divisors (see below), whose sum is σ = 246153600. Its totient is φ = 79760088.

The previous prime is 161806999. The next prime is 161807029. The reversal of 161807006 is 600708161.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 161807006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122015 + ... + 123333.

It is an arithmetic number, because the mean of its divisors is an integer number (15384600).

Almost surely, 2^161807006 is an apocalyptic number.

161807006 is a deficient number, since it is larger than the sum of its proper divisors (84346594).

161807006 is a wasteful number, since it uses less digits than its factorization.

161807006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 161807006 is about 12720.3382816653. The cubic root of 161807006 is about 544.9196144381.

The spelling of 161807006 in words is "one hundred sixty-one million, eight hundred seven thousand, six".