161050859 has 16 divisors (see below), whose sum is σ = 176455680. Its totient is φ = 146422080.

The previous prime is 161050837. The next prime is 161050861. The reversal of 161050859 is 958050161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-161050859 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (161050889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73727 + ... + 75879.

It is an arithmetic number, because the mean of its divisors is an integer number (11028480).

Almost surely, 2^161050859 is an apocalyptic number.

161050859 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

161050859 is a deficient number, since it is larger than the sum of its proper divisors (15404821).

161050859 is a wasteful number, since it uses less digits than its factorization.

161050859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 161050859 is about 12690.5815075591. The cubic root of 161050859 is about 544.0694599798.

The spelling of 161050859 in words is "one hundred sixty-one million, fifty thousand, eight hundred fifty-nine".