4408161651 has 6 divisors (see below), whose sum is σ = 6367344620. Its totient is φ = 2938774428.

The previous prime is 4408161613. The next prime is 4408161677. The reversal of 4408161651 is 1561618044.

4408161651 is a `hidden beast` number, since 440 + 8 + 161 + 6 + 51 = 666.

4408161651 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4408161651 - 2¹⁷ = 4408030579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4408161551) 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 5 ways as a sum of consecutive naturals, for example, 244897861 + ... + 244897878.

Almost surely, 2^4408161651 is an apocalyptic number.

4408161651 is a deficient number, since it is larger than the sum of its proper divisors (1959182969).

4408161651 is a wasteful number, since it uses less digits than its factorization.

4408161651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489795745 (or 489795742 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4408161651 is about 66393.9880636794. The cubic root of 4408161651 is about 1639.6550993674.

Adding to 4408161651 its reverse (1561618044), we get a palindrome (5969779695).

The spelling of 4408161651 in words is "four billion, four hundred eight million, one hundred sixty-one thousand, six hundred fifty-one".