4161420165601 has 4 divisors (see below), whose sum is σ = 4380442279600. Its totient is φ = 3942398051604.

The previous prime is 4161420165593. The next prime is 4161420165641. The reversal of 4161420165601 is 1065610241614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4161420165601 - 2³ = 4161420165593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4161420165641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109511056971 + ... + 109511057008.

It is an arithmetic number, because the mean of its divisors is an integer number (1095110569900).

Almost surely, 2^{4161420165601} is an apocalyptic number.

It is an amenable number.

4161420165601 is a deficient number, since it is larger than the sum of its proper divisors (219022113999).

4161420165601 is a wasteful number, since it uses less digits than its factorization.

4161420165601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219022113998.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 4161420165601 in words is "four trillion, one hundred sixty-one billion, four hundred twenty million, one hundred sixty-five thousand, six hundred one".