161601110015006 has 32 divisors (see below), whose sum is σ = 248788296777888. Its totient is φ = 78700115013120.

The previous prime is 161601110014991. The next prime is 161601110015077. The reversal of 161601110015006 is 600510011106161.

It is a happy number.

It is a super-2 number, since 2×161601110015006² (a number of 29 digits) contains 22 as substring.

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 161601110015006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25733186 + ... + 31391066.

It is an arithmetic number, because the mean of its divisors is an integer number (7774634274309).

Almost surely, 2^{161601110015006} is an apocalyptic number.

161601110015006 is a deficient number, since it is larger than the sum of its proper divisors (87187186762882).

161601110015006 is a wasteful number, since it uses less digits than its factorization.

161601110015006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5660396.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 161601110015006 in words is "one hundred sixty-one trillion, six hundred one billion, one hundred ten million, fifteen thousand, six".