6261630872 has 16 divisors (see below), whose sum is σ = 13417780560. Its totient is φ = 2683556064.

The previous prime is 6261630847. The next prime is 6261630877. The reversal of 6261630872 is 2780361626.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261630877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55907363 + ... + 55907474.

It is an arithmetic number, because the mean of its divisors is an integer number (838611285).

Almost surely, 2^6261630872 is an apocalyptic number.

It is an amenable number.

6261630872 is an abundant number, since it is smaller than the sum of its proper divisors (7156149688).

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

6261630872 is a wasteful number, since it uses less digits than its factorization.

6261630872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111814850 (or 111814846 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 6261630872 is about 79130.4674066822. The cubic root of 6261630872 is about 1843.1576679005.

The spelling of 6261630872 in words is "six billion, two hundred sixty-one million, six hundred thirty thousand, eight hundred seventy-two".