1606078672 has 40 divisors (see below), whose sum is σ = 3594359232. Its totient is φ = 687091200.

The previous prime is 1606078651. The next prime is 1606078687. The reversal of 1606078672 is 2768706061.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 265404 + ... + 271387.

Almost surely, 2^1606078672 is an apocalyptic number.

It is an amenable number.

1606078672 is an abundant number, since it is smaller than the sum of its proper divisors (1988280560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606078672 is a wasteful number, since it uses less digits than its factorization.

1606078672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536827 (or 536821 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1606078672 is about 40075.9113683020. The cubic root of 1606078672 is about 1171.0864022137.

The spelling of 1606078672 in words is "one billion, six hundred six million, seventy-eight thousand, six hundred seventy-two".