161469354855 has 16 divisors (see below), whose sum is σ = 258858545760. Its totient is φ = 85947796608.

The previous prime is 161469354847. The next prime is 161469354863. The reversal of 161469354855 is 558453964161.

161469354855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (161469354847) and next prime (161469354863).

It is not a de Polignac number, because 161469354855 - 2³ = 161469354847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161469354795 and 161469354804.

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, 10566652 + ... + 10581921.

It is an arithmetic number, because the mean of its divisors is an integer number (16178659110).

Almost surely, 2^161469354855 is an apocalyptic number.

161469354855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

161469354855 is a deficient number, since it is larger than the sum of its proper divisors (97389190905).

161469354855 is a wasteful number, since it uses less digits than its factorization.

161469354855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21149090.

The product of its digits is 15552000, while the sum is 57.

The spelling of 161469354855 in words is "one hundred sixty-one billion, four hundred sixty-nine million, three hundred fifty-four thousand, eight hundred fifty-five".