4101664121 has 16 divisors (see below), whose sum is σ = 4398643200. Its totient is φ = 3813393168.

The previous prime is 4101664087. The next prime is 4101664123. The reversal of 4101664121 is 1214661014.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4101664121 is a prime.

It is a super-2 number, since 2×4101664121² = 33647297122997405282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4101664123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242486 + ... + 258848.

It is an arithmetic number, because the mean of its divisors is an integer number (274915200).

Almost surely, 2^4101664121 is an apocalyptic number.

It is an amenable number.

4101664121 is a deficient number, since it is larger than the sum of its proper divisors (296979079).

4101664121 is a wasteful number, since it uses less digits than its factorization.

4101664121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16628.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 4101664121 is about 64044.2356578639. The cubic root of 4101664121 is about 1600.7371760602.

The spelling of 4101664121 in words is "four billion, one hundred one million, six hundred sixty-four thousand, one hundred twenty-one".