3615461616 has 120 divisors (see below), whose sum is σ = 10156485360. Its totient is φ = 1107744768.

The previous prime is 3615461611. The next prime is 3615461617. The reversal of 3615461616 is 6161645163.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3615461611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2246220 + ... + 2247828.

It is an arithmetic number, because the mean of its divisors is an integer number (84637378).

Almost surely, 2^3615461616 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 3615461616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5078242680).

3615461616 is an abundant number, since it is smaller than the sum of its proper divisors (6541023744).

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

3615461616 is a wasteful number, since it uses less digits than its factorization.

3615461616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923 (or 1904 counting only the distinct ones).

The product of its digits is 77760, while the sum is 39.

The square root of 3615461616 is about 60128.7087504796. The cubic root of 3615461616 is about 1534.8098759031.

The spelling of 3615461616 in words is "three billion, six hundred fifteen million, four hundred sixty-one thousand, six hundred sixteen".