161056068 has 24 divisors (see below), whose sum is σ = 376399968. Its totient is φ = 53599296.

The previous prime is 161056061. The next prime is 161056069. The reversal of 161056068 is 860650161.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (161056061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2721 + ... + 18152.

It is an arithmetic number, because the mean of its divisors is an integer number (15683332).

Almost surely, 2^161056068 is an apocalyptic number.

It is an amenable number.

161056068 is an abundant number, since it is smaller than the sum of its proper divisors (215343900).

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

161056068 is a wasteful number, since it uses less digits than its factorization.

161056068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21523 (or 21521 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 161056068 is about 12690.7867368418. The cubic root of 161056068 is about 544.0753256782.

The spelling of 161056068 in words is "one hundred sixty-one million, fifty-six thousand, sixty-eight".