1601770023 has 12 divisors (see below), whose sum is σ = 2644191888. Its totient is φ = 915297120.

The previous prime is 1601770019. The next prime is 1601770033. The reversal of 1601770023 is 3200771061.

It is not a de Polignac number, because 1601770023 - 2² = 1601770019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601770033) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 12712398 + ... + 12712523.

It is an arithmetic number, because the mean of its divisors is an integer number (220349324).

Almost surely, 2^1601770023 is an apocalyptic number.

1601770023 is a deficient number, since it is larger than the sum of its proper divisors (1042421865).

1601770023 is a wasteful number, since it uses less digits than its factorization.

1601770023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25424934 (or 25424931 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 1601770023 is about 40022.1191717780. The cubic root of 1601770023 is about 1170.0382345603.

The spelling of 1601770023 in words is "one billion, six hundred one million, seven hundred seventy thousand, twenty-three".