1655053451165 has 16 divisors (see below), whose sum is σ = 2005415387136. Its totient is φ = 1311204105600.

The previous prime is 1655053451159. The next prime is 1655053451189. The reversal of 1655053451165 is 5611543505561.

It is not a de Polignac number, because 1655053451165 - 2²⁰ = 1655052402589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3672776 + ... + 4098705.

It is an arithmetic number, because the mean of its divisors is an integer number (125338461696).

Almost surely, 2^{1655053451165} is an apocalyptic number.

It is an amenable number.

1655053451165 is a deficient number, since it is larger than the sum of its proper divisors (350361935971).

1655053451165 is a wasteful number, since it uses less digits than its factorization.

1655053451165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7771900.

The product of its (nonzero) digits is 1350000, while the sum is 47.

The spelling of 1655053451165 in words is "one trillion, six hundred fifty-five billion, fifty-three million, four hundred fifty-one thousand, one hundred sixty-five".