161016454585110 has 32 divisors (see below), whose sum is σ = 390191330730240. Its totient is φ = 42520850142048.

The previous prime is 161016454585039. The next prime is 161016454585171. The reversal of 161016454585110 is 11585454610161.

It is a super-2 number, since 2×161016454585110² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161016454585110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26054439400 + ... + 26054445579.

It is an arithmetic number, because the mean of its divisors is an integer number (12193479085320).

Almost surely, 2^{161016454585110} is an apocalyptic number.

161016454585110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161016454585110 is an abundant number, since it is smaller than the sum of its proper divisors (229174876145130).

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

161016454585110 is a wasteful number, since it uses less digits than its factorization.

161016454585110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52108885092.

The product of its (nonzero) digits is 576000, while the sum is 48.

The spelling of 161016454585110 in words is "one hundred sixty-one trillion, sixteen billion, four hundred fifty-four million, five hundred eighty-five thousand, one hundred ten".