1610104481 has 4 divisors (see below), whose sum is σ = 1649375364. Its totient is φ = 1570833600.

The previous prime is 1610104453. The next prime is 1610104487. The reversal of 1610104481 is 1844010161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1844010161 = 7 ⋅263430023.

It can be written as a sum of positive squares in 2 ways, for example, as 136773025 + 1473331456 = 11695^2 + 38384^2 .

It is a cyclic number.

It is not a de Polignac number, because 1610104481 - 2¹⁰ = 1610103457 is a prime.

It is a super-2 number, since 2×1610104481² = 5184872879472558722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1610104481.

It is not an unprimeable number, because it can be changed into a prime (1610104487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19635380 + ... + 19635461.

It is an arithmetic number, because the mean of its divisors is an integer number (412343841).

Almost surely, 2^1610104481 is an apocalyptic number.

It is an amenable number.

1610104481 is a deficient number, since it is larger than the sum of its proper divisors (39270883).

1610104481 is an equidigital number, since it uses as much as digits as its factorization.

1610104481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39270882.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1610104481 is about 40126.1072245988. The cubic root of 1610104481 is about 1172.0640704819.

The spelling of 1610104481 in words is "one billion, six hundred ten million, one hundred four thousand, four hundred eighty-one".