1606872739824 has 480 divisors, whose sum is σ = 5270454169344. Its totient is φ = 451608453120.

The previous prime is 1606872739811. The next prime is 1606872739859. The reversal of 1606872739824 is 4289372786061.

1606872739824 is a `hidden beast` number, since 160 + 6 + 87 + 2 + 7 + 398 + 2 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1258317874 + ... + 1258319150.

Almost surely, 2^{1606872739824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606872739824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635227084672).

1606872739824 is an abundant number, since it is smaller than the sum of its proper divisors (3663581429520).

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

1606872739824 is a wasteful number, since it uses less digits than its factorization.

1606872739824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1965 (or 1956 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 1606872739824 in words is "one trillion, six hundred six billion, eight hundred seventy-two million, seven hundred thirty-nine thousand, eight hundred twenty-four".