1655323465 has 16 divisors (see below), whose sum is σ = 2024994816. Its totient is φ = 1298718400.

The previous prime is 1655323459. The next prime is 1655323471. The reversal of 1655323465 is 5643235561.

It is an interprime number because it is at equal distance from previous prime (1655323459) and next prime (1655323471).

It is a de Polignac number, because none of the positive numbers 2^k-1655323465 is a prime.

It is a Duffinian 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, 55599 + ... + 80011.

It is an arithmetic number, because the mean of its divisors is an integer number (126562176).

Almost surely, 2^1655323465 is an apocalyptic number.

It is an amenable number.

1655323465 is a deficient number, since it is larger than the sum of its proper divisors (369671351).

1655323465 is a wasteful number, since it uses less digits than its factorization.

1655323465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24680.

The product of its digits is 324000, while the sum is 40.

The square root of 1655323465 is about 40685.6665792758. Note that the first 3 decimals coincide. The cubic root of 1655323465 is about 1182.9352056597.

The spelling of 1655323465 in words is "one billion, six hundred fifty-five million, three hundred twenty-three thousand, four hundred sixty-five".