1606896989500 has 192 divisors, whose sum is σ = 4092413165568. Its totient is φ = 545286720000.

The previous prime is 1606896989407. The next prime is 1606896989501. The reversal of 1606896989500 is 59896986061.

It is a super-2 number, since 2×1606896989500² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606896989501) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 5031589 + ... + 5341411.

It is an arithmetic number, because the mean of its divisors is an integer number (21314651904).

Almost surely, 2^{1606896989500} is an apocalyptic number.

1606896989500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606896989500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046206582784).

1606896989500 is an abundant number, since it is smaller than the sum of its proper divisors (2485516176068).

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

1606896989500 is a wasteful number, since it uses less digits than its factorization.

1606896989500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309917 (or 309905 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 67.

The spelling of 1606896989500 in words is "one trillion, six hundred six billion, eight hundred ninety-six million, nine hundred eighty-nine thousand, five hundred".