1650801055 has 4 divisors (see below), whose sum is σ = 1980961272. Its totient is φ = 1320640840.

The previous prime is 1650801041. The next prime is 1650801079. The reversal of 1650801055 is 5501080561.

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

It is not a de Polignac number, because 1650801055 - 2⁷ = 1650800927 is a prime.

It is a super-2 number, since 2×1650801055² = 5450288246378226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165080101 + ... + 165080110.

It is an arithmetic number, because the mean of its divisors is an integer number (495240318).

Almost surely, 2^1650801055 is an apocalyptic number.

1650801055 is a deficient number, since it is larger than the sum of its proper divisors (330160217).

1650801055 is an equidigital number, since it uses as much as digits as its factorization.

1650801055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330160216.

The product of its (nonzero) digits is 6000, while the sum is 31.

The square root of 1650801055 is about 40630.0511321362. The cubic root of 1650801055 is about 1181.8569476624.

The spelling of 1650801055 in words is "one billion, six hundred fifty million, eight hundred one thousand, fifty-five".