1610541655 has 4 divisors (see below), whose sum is σ = 1932649992. Its totient is φ = 1288433320.

The previous prime is 1610541557. The next prime is 1610541671. The reversal of 1610541655 is 5561450161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5561450161 = 50263 ⋅110647.

It is not a de Polignac number, because 1610541655 - 2¹⁷ = 1610410583 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1610541655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161054161 + ... + 161054170.

It is an arithmetic number, because the mean of its divisors is an integer number (483162498).

Almost surely, 2^1610541655 is an apocalyptic number.

1610541655 is a deficient number, since it is larger than the sum of its proper divisors (322108337).

1610541655 is an equidigital number, since it uses as much as digits as its factorization.

1610541655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322108336.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 1610541655 is about 40131.5543556439. The cubic root of 1610541655 is about 1172.1701401140.

The spelling of 1610541655 in words is "one billion, six hundred ten million, five hundred forty-one thousand, six hundred fifty-five".