1601445873 has 8 divisors (see below), whose sum is σ = 2135448000. Its totient is φ = 1067537168.

The previous prime is 1601445869. The next prime is 1601445887. The reversal of 1601445873 is 3785441061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1601445873 - 2² = 1601445869 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1601445973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46468 + ... + 73226.

It is an arithmetic number, because the mean of its divisors is an integer number (266931000).

Almost surely, 2^1601445873 is an apocalyptic number.

It is an amenable number.

1601445873 is a deficient number, since it is larger than the sum of its proper divisors (534002127).

1601445873 is a wasteful number, since it uses less digits than its factorization.

1601445873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46711.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1601445873 is about 40018.0693312409. The cubic root of 1601445873 is about 1169.9593024050.

The spelling of 1601445873 in words is "one billion, six hundred one million, four hundred forty-five thousand, eight hundred seventy-three".