1610074894 has 4 divisors (see below), whose sum is σ = 2415112344. Its totient is φ = 805037446.

The previous prime is 1610074853. The next prime is 1610074909. The reversal of 1610074894 is 4984700161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4984700161 = 7 ⋅712100023.

It is a super-2 number, since 2×1610074894² = 5184682328578222472, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402518722 + ... + 402518725.

It is an arithmetic number, because the mean of its divisors is an integer number (603778086).

Almost surely, 2^1610074894 is an apocalyptic number.

1610074894 is a deficient number, since it is larger than the sum of its proper divisors (805037450).

1610074894 is an equidigital number, since it uses as much as digits as its factorization.

1610074894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805037449.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 1610074894 is about 40125.7385477202. The cubic root of 1610074894 is about 1172.0568912227.

The spelling of 1610074894 in words is "one billion, six hundred ten million, seventy-four thousand, eight hundred ninety-four".