1600201045 has 4 divisors (see below), whose sum is σ = 1920241260. Its totient is φ = 1280160832.

The previous prime is 1600201037. The next prime is 1600201061. The reversal of 1600201045 is 5401020061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5401020061 = 107 ⋅50476823.

It can be written as a sum of positive squares in 2 ways, for example, as 182979729 + 1417221316 = 13527^2 + 37646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1600201045 - 2³ = 1600201037 is a prime.

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, 160020100 + ... + 160020109.

It is an arithmetic number, because the mean of its divisors is an integer number (480060315).

Almost surely, 2^1600201045 is an apocalyptic number.

It is an amenable number.

1600201045 is a deficient number, since it is larger than the sum of its proper divisors (320040215).

1600201045 is an equidigital number, since it uses as much as digits as its factorization.

1600201045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320040214.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1600201045 is about 40002.5129835614. The cubic root of 1600201045 is about 1169.6560814956.

The spelling of 1600201045 in words is "one billion, six hundred million, two hundred one thousand, forty-five".