4121166465 has 64 divisors (see below), whose sum is σ = 7916832000. Its totient is φ = 2022008832.

The previous prime is 4121166463. The next prime is 4121166493. The reversal of 4121166465 is 5646611214.

4121166465 is a `hidden beast` number, since 4 + 1 + 2 + 1 + 1 + 6 + 646 + 5 = 666.

4121166465 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 4121166465 - 2¹ = 4121166463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4121166463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 534961 + ... + 542609.

It is an arithmetic number, because the mean of its divisors is an integer number (123700500).

Almost surely, 2^4121166465 is an apocalyptic number.

4121166465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4121166465 is a deficient number, since it is larger than the sum of its proper divisors (3795665535).

4121166465 is a wasteful number, since it uses less digits than its factorization.

4121166465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983 (or 7977 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 4121166465 is about 64196.3119267766. The cubic root of 4121166465 is about 1603.2701950501.

Adding to 4121166465 its reverse (5646611214), we get a palindrome (9767777679).

The spelling of 4121166465 in words is "four billion, one hundred twenty-one million, one hundred sixty-six thousand, four hundred sixty-five".