4463615661 has 8 divisors (see below), whose sum is σ = 5989395744. Its totient is φ = 2956789680.

The previous prime is 4463615561. The next prime is 4463615671. The reversal of 4463615661 is 1665163644.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4463615661 - 2²³ = 4455227053 is a prime.

It is a super-3 number, since 3×4463615661³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4463615671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4737975 + ... + 4738916.

It is an arithmetic number, because the mean of its divisors is an integer number (748674468).

Almost surely, 2^4463615661 is an apocalyptic number.

It is an amenable number.

4463615661 is a deficient number, since it is larger than the sum of its proper divisors (1525780083).

4463615661 is a wasteful number, since it uses less digits than its factorization.

4463615661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477051.

The product of its digits is 311040, while the sum is 42.

The square root of 4463615661 is about 66810.2960702914. The cubic root of 4463615661 is about 1646.5020062194.

The spelling of 4463615661 in words is "four billion, four hundred sixty-three million, six hundred fifteen thousand, six hundred sixty-one".