1610655165103 has 4 divisors (see below), whose sum is σ = 1616598542368. Its totient is φ = 1604711787840.

The previous prime is 1610655165089. The next prime is 1610655165107. The reversal of 1610655165103 is 3015615560161.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1610655165103 - 2²⁵ = 1610621610671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610655165107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971688226 + ... + 2971688767.

It is an arithmetic number, because the mean of its divisors is an integer number (404149635592).

Almost surely, 2^{1610655165103} is an apocalyptic number.

1610655165103 is a deficient number, since it is larger than the sum of its proper divisors (5943377265).

1610655165103 is an equidigital number, since it uses as much as digits as its factorization.

1610655165103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943377264.

The product of its (nonzero) digits is 81000, while the sum is 40.

The spelling of 1610655165103 in words is "one trillion, six hundred ten billion, six hundred fifty-five million, one hundred sixty-five thousand, one hundred three".