161600116515110 has 96 divisors (see below), whose sum is σ = 363684549557952. Its totient is φ = 50616517386240.

The previous prime is 161600116515053. The next prime is 161600116515121. The reversal of 161600116515110 is 11515611006161.

It is a super-2 number, since 2×161600116515110² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69265871 + ... + 71560890.

It is an arithmetic number, because the mean of its divisors is an integer number (3788380724562).

Almost surely, 2^{161600116515110} is an apocalyptic number.

161600116515110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161600116515110 is an abundant number, since it is smaller than the sum of its proper divisors (202084433042842).

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

161600116515110 is a wasteful number, since it uses less digits than its factorization.

161600116515110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140826898 (or 140826885 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 35.

The spelling of 161600116515110 in words is "one hundred sixty-one trillion, six hundred billion, one hundred sixteen million, five hundred fifteen thousand, one hundred ten".