2165420616001 has 8 divisors (see below), whose sum is σ = 2206333251360. Its totient is φ = 2124648333792.

The previous prime is 2165420615971. The next prime is 2165420616017. The reversal of 2165420616001 is 1006160245612.

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

It is a cyclic number.

It is not a de Polignac number, because 2165420616001 - 2⁷ = 2165420615873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2165420616091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35057140 + ... + 35118853.

It is an arithmetic number, because the mean of its divisors is an integer number (275791656420).

Almost surely, 2^{2165420616001} is an apocalyptic number.

It is an amenable number.

2165420616001 is a deficient number, since it is larger than the sum of its proper divisors (40912635359).

2165420616001 is an equidigital number, since it uses as much as digits as its factorization.

2165420616001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70176575.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 2165420616001 in words is "two trillion, one hundred sixty-five billion, four hundred twenty million, six hundred sixteen thousand, one".