4087631616 has 72 divisors (see below), whose sum is σ = 10888665984. Its totient is φ = 1361341440.

The previous prime is 4087631591. The next prime is 4087631621. The reversal of 4087631616 is 6161367804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1463181 + ... + 1465971.

It is an arithmetic number, because the mean of its divisors is an integer number (151231472).

Almost surely, 2^4087631616 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 4087631616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5444332992).

4087631616 is an abundant number, since it is smaller than the sum of its proper divisors (6801034368).

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

4087631616 is a wasteful number, since it uses less digits than its factorization.

4087631616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717 (or 4703 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 4087631616 is about 63934.5885730095. The cubic root of 4087631616 is about 1598.9096237602.

The spelling of 4087631616 in words is "four billion, eighty-seven million, six hundred thirty-one thousand, six hundred sixteen".