1606424231 has 8 divisors (see below), whose sum is σ = 1759572720. Its totient is φ = 1459792768.

The previous prime is 1606424219. The next prime is 1606424249. The reversal of 1606424231 is 1324246061.

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 1606424231 - 2¹⁸ = 1606162087 is a prime.

It is a super-2 number, since 2×1606424231² = 5161197619887882722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1606424194 and 1606424203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606421231) 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, 1628741 + ... + 1629726.

It is an arithmetic number, because the mean of its divisors is an integer number (219946590).

Almost surely, 2^1606424231 is an apocalyptic number.

1606424231 is a deficient number, since it is larger than the sum of its proper divisors (153148489).

1606424231 is a wasteful number, since it uses less digits than its factorization.

1606424231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258513.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1606424231 is about 40080.2224419975. Note that the first 3 decimals coincide. The cubic root of 1606424231 is about 1171.1703853197.

The spelling of 1606424231 in words is "one billion, six hundred six million, four hundred twenty-four thousand, two hundred thirty-one".