161606601510006 has 32 divisors (see below), whose sum is σ = 325364025600000. Its totient is φ = 53510419411200.

The previous prime is 161606601510001. The next prime is 161606601510073. The reversal of 161606601510006 is 600015106606161.

It is a super-2 number, since 2×161606601510006² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161606601510001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25855995 + ... + 31491993.

It is an arithmetic number, because the mean of its divisors is an integer number (10167625800000).

Almost surely, 2^{161606601510006} is an apocalyptic number.

161606601510006 is an abundant number, since it is smaller than the sum of its proper divisors (163757424089994).

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

161606601510006 is a wasteful number, since it uses less digits than its factorization.

161606601510006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5667804.

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 161606601510006 in words is "one hundred sixty-one trillion, six hundred six billion, six hundred one million, five hundred ten thousand, six".