1606430164 has 24 divisors (see below), whose sum is σ = 3133287360. Its totient is φ = 716178816.

The previous prime is 1606430141. The next prime is 1606430173. The reversal of 1606430164 is 4610346061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620392 + ... + 622975.

It is an arithmetic number, because the mean of its divisors is an integer number (130553640).

Almost surely, 2^1606430164 is an apocalyptic number.

It is an amenable number.

1606430164 is a deficient number, since it is larger than the sum of its proper divisors (1526857196).

1606430164 is a wasteful number, since it uses less digits than its factorization.

1606430164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243407 (or 1243405 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 1606430164 is about 40080.2964559894. The cubic root of 1606430164 is about 1171.1718271442.

The spelling of 1606430164 in words is "one billion, six hundred six million, four hundred thirty thousand, one hundred sixty-four".