3731567616 has 220 divisors, whose sum is σ = 12737056288. Its totient is φ = 1065996288.

The previous prime is 3731567611. The next prime is 3731567629. The reversal of 3731567616 is 6167651373.

3731567616 is a `hidden beast` number, since 3 + 73 + 1 + 567 + 6 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731567611) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 577395 + ... + 583821.

Almost surely, 2^3731567616 is an apocalyptic number.

3731567616 is a gapful number since it is divisible by the number (36) 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 3731567616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6368528144).

3731567616 is an abundant number, since it is smaller than the sum of its proper divisors (9005488672).

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

3731567616 is an equidigital number, since it uses as much as digits as its factorization.

3731567616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6466 (or 6439 counting only the distinct ones).

The product of its digits is 476280, while the sum is 45.

The square root of 3731567616 is about 61086.5583905330. The cubic root of 3731567616 is about 1551.0665730210.

The spelling of 3731567616 in words is "three billion, seven hundred thirty-one million, five hundred sixty-seven thousand, six hundred sixteen".