1616000500 has 48 divisors (see below), whose sum is σ = 3533768784. Its totient is φ = 645590400.

The previous prime is 1616000443. The next prime is 1616000513. The reversal of 1616000500 is 50006161.

It can be written as a sum of positive squares in 8 ways, for example, as 297148644 + 1318851856 = 17238^2 + 36316^2 .

It is a super-2 number, since 2×1616000500² = 5222915232000500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 545022 + ... + 547978.

It is an arithmetic number, because the mean of its divisors is an integer number (73620183).

Almost surely, 2^1616000500 is an apocalyptic number.

1616000500 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 1616000500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1766884392).

1616000500 is an abundant number, since it is smaller than the sum of its proper divisors (1917768284).

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

1616000500 is a wasteful number, since it uses less digits than its factorization.

1616000500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1616000500 is about 40199.5087034655. The cubic root of 1616000500 is about 1173.4929827171.

Adding to 1616000500 its reverse (50006161), we get a palindrome (1666006661).

The spelling of 1616000500 in words is "one billion, six hundred sixteen million, five hundred", and thus it is an aban number.