3611738416 has 120 divisors (see below), whose sum is σ = 8518923504. Its totient is φ = 1462379520.

The previous prime is 3611738413. The next prime is 3611738419. The reversal of 3611738416 is 6148371163.

It is an interprime number because it is at equal distance from previous prime (3611738413) and next prime (3611738419).

It is a super-2 number, since 2×3611738416² = 26089308771220378112, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3611738411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1923270 + ... + 1925146.

Almost surely, 2^3611738416 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 3611738416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4259461752).

3611738416 is an abundant number, since it is smaller than the sum of its proper divisors (4907185088).

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

3611738416 is a wasteful number, since it uses less digits than its factorization.

3611738416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967 (or 1932 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 3611738416 is about 60097.7405232510. The cubic root of 3611738416 is about 1534.2828462156.

The spelling of 3611738416 in words is "three billion, six hundred eleven million, seven hundred thirty-eight thousand, four hundred sixteen".