1910000161 has 4 divisors (see below), whose sum is σ = 1913147392. Its totient is φ = 1906852932.

The previous prime is 1910000153. The next prime is 1910000177. The reversal of 1910000161 is 1610000191.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1910000161 - 2³ = 1910000153 is a prime.

1910000161 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1910000461) by changing a digit.

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, 1572705 + ... + 1573918.

It is an arithmetic number, because the mean of its divisors is an integer number (478286848).

Almost surely, 2^1910000161 is an apocalyptic number.

It is an amenable number.

1910000161 is a deficient number, since it is larger than the sum of its proper divisors (3147231).

1910000161 is an equidigital number, since it uses as much as digits as its factorization.

1910000161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147230.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 1910000161 is about 43703.5486087800. The cubic root of 1910000161 is about 1240.7314798333.

The spelling of 1910000161 in words is "one billion, nine hundred ten million, one hundred sixty-one", and thus it is an aban number.