161056058 has 8 divisors (see below), whose sum is σ = 242161920. Its totient is φ = 80335420.

The previous prime is 161056039. The next prime is 161056061. The reversal of 161056058 is 850650161.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95258 + ... + 96933.

It is an arithmetic number, because the mean of its divisors is an integer number (30270240).

Almost surely, 2^161056058 is an apocalyptic number.

161056058 is a deficient number, since it is larger than the sum of its proper divisors (81105862).

161056058 is a wasteful number, since it uses less digits than its factorization.

161056058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192612.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 161056058 is about 12690.7863428552. The cubic root of 161056058 is about 544.0753144176.

The spelling of 161056058 in words is "one hundred sixty-one million, fifty-six thousand, fifty-eight".