6251600000 has 96 divisors (see below), whose sum is σ = 15567948900. Its totient is φ = 2500480000.

The previous prime is 6251599987. The next prime is 6251600041. The reversal of 6251600000 is 61526.

It can be written as a sum of positive squares in 6 ways, for example, as 3013696 + 6248586304 = 1736^2 + 79048^2 .

It is a sliding number, since 6251600000 = 1600000 + 6250000000 and 1/1600000 + 1/6250000000 = 0.0000006251600000.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392186 + ... + 407814.

Almost surely, 2^6251600000 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 6251600000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783974450).

6251600000 is an abundant number, since it is smaller than the sum of its proper divisors (9316348900).

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

6251600000 is an frugal number, since it uses more digits than its factorization.

6251600000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15668 (or 15636 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 6251600000 is about 79067.0601451704. The cubic root of 6251600000 is about 1842.1729212529.

Adding to 6251600000 its reverse (61526), we get a palindrome (6251661526).

It can be divided in two parts, 625 and 1600000, that multiplied together give a 9-th power (1000000000 = 10⁹).

The spelling of 6251600000 in words is "six billion, two hundred fifty-one million, six hundred thousand".