1616665050 has 576 divisors, whose sum is σ = 6051112704. Its totient is φ = 298598400.

The previous prime is 1616664979. The next prime is 1616665051. The reversal of 1616665050 is 505666161.

It is a super-2 number, since 2×1616665050² = 5227211767783005000, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1616664996 and 1616665014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1616665051) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 16666602 + ... + 16666698.

It is an arithmetic number, because the mean of its divisors is an integer number (10505404).

Almost surely, 2^1616665050 is an apocalyptic number.

1616665050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1616665050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3025556352).

1616665050 is an abundant number, since it is smaller than the sum of its proper divisors (4434447654).

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

1616665050 is a wasteful number, since it uses less digits than its factorization.

1616665050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1616665050 is about 40207.7735021476. The cubic root of 1616665050 is about 1173.6538196902.

It can be divided in two parts, 1616 and 665050, that added together give a palindrome (666666).

The spelling of 1616665050 in words is "one billion, six hundred sixteen million, six hundred sixty-five thousand, fifty".