3660771616 has 48 divisors (see below), whose sum is σ = 7528248000. Its totient is φ = 1750065408.

The previous prime is 3660771607. The next prime is 3660771637. The reversal of 3660771616 is 6161770663.

It is a super-2 number, since 2×3660771616² = 26802497649022502912, which contains 22 as substring.

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, 76435 + ... + 114733.

It is an arithmetic number, because the mean of its divisors is an integer number (156838500).

Almost surely, 2^3660771616 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 3660771616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3764124000).

3660771616 is an abundant number, since it is smaller than the sum of its proper divisors (3867476384).

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

3660771616 is a wasteful number, since it uses less digits than its factorization.

3660771616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38441 (or 38433 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 3660771616 is about 60504.3107224601. The cubic root of 3660771616 is about 1541.1948359237.

The spelling of 3660771616 in words is "three billion, six hundred sixty million, seven hundred seventy-one thousand, six hundred sixteen".