1601073019 has 32 divisors (see below), whose sum is σ = 2082375680. Its totient is φ = 1195420032.

The previous prime is 1601072989. The next prime is 1601073037. The reversal of 1601073019 is 9103701061.

It is a cyclic number.

It is not a de Polignac number, because 1601073019 - 2¹¹ = 1601070971 is a prime.

It is a super-2 number, since 2×1601073019² = 5126869624339548722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1601073049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477262 + ... + 480604.

It is an arithmetic number, because the mean of its divisors is an integer number (65074240).

Almost surely, 2^1601073019 is an apocalyptic number.

1601073019 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1601073019 is a deficient number, since it is larger than the sum of its proper divisors (481302661).

1601073019 is a wasteful number, since it uses less digits than its factorization.

1601073019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1601073019 is about 40013.4104894846. The cubic root of 1601073019 is about 1169.8684974077.

The spelling of 1601073019 in words is "one billion, six hundred one million, seventy-three thousand, nineteen".