1650560455 has 4 divisors (see below), whose sum is σ = 1980672552. Its totient is φ = 1320448360.

The previous prime is 1650560449. The next prime is 1650560467. The reversal of 1650560455 is 5540650561.

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

It is not a de Polignac number, because 1650560455 - 2⁵ = 1650560423 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165056041 + ... + 165056050.

It is an arithmetic number, because the mean of its divisors is an integer number (495168138).

Almost surely, 2^1650560455 is an apocalyptic number.

1650560455 is a deficient number, since it is larger than the sum of its proper divisors (330112097).

1650560455 is an equidigital number, since it uses as much as digits as its factorization.

1650560455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330112096.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 1650560455 is about 40627.0901616151. The cubic root of 1650560455 is about 1181.7995273378.

The spelling of 1650560455 in words is "one billion, six hundred fifty million, five hundred sixty thousand, four hundred fifty-five".