1616725000 has 96 divisors (see below), whose sum is σ = 4134110400. Its totient is φ = 587800000.

The previous prime is 1616724983. The next prime is 1616725003. The reversal of 1616725000 is 5276161.

It is a super-2 number, since 2×1616725000² = 5227599451250000000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1616725000.

It is not an unprimeable number, because it can be changed into a prime (1616725003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 272061 + ... + 277939.

It is an arithmetic number, because the mean of its divisors is an integer number (43063650).

Almost surely, 2^1616725000 is an apocalyptic number.

1616725000 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 1616725000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2067055200).

1616725000 is an abundant number, since it is smaller than the sum of its proper divisors (2517385400).

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

1616725000 is an equidigital number, since it uses as much as digits as its factorization.

1616725000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5921 (or 5897 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 1616725000 is about 40208.5189978442. The cubic root of 1616725000 is about 1173.6683268546.

The spelling of 1616725000 in words is "one billion, six hundred sixteen million, seven hundred twenty-five thousand".