161600665101110 has 16 divisors (see below), whose sum is σ = 293599713045456. Its totient is φ = 64036151404128.

The previous prime is 161600665101091. The next prime is 161600665101167. The reversal of 161600665101110 is 11101566006161.

It is a super-2 number, since 2×161600665101110² (a number of 29 digits) contains 22 as substring.

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, 75514328417 + ... + 75514330556.

It is an arithmetic number, because the mean of its divisors is an integer number (18349982065341).

Almost surely, 2^{161600665101110} is an apocalyptic number.

161600665101110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161600665101110 is a deficient number, since it is larger than the sum of its proper divisors (131999047944346).

161600665101110 is a wasteful number, since it uses less digits than its factorization.

161600665101110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151028659087.

The product of its (nonzero) digits is 6480, while the sum is 35.

The spelling of 161600665101110 in words is "one hundred sixty-one trillion, six hundred billion, six hundred sixty-five million, one hundred one thousand, one hundred ten".