2664630412161 has 8 divisors (see below), whose sum is σ = 3552848096160. Its totient is φ = 1776416501472.

The previous prime is 2664630412133. The next prime is 2664630412181. The reversal of 2664630412161 is 1612140364662.

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

It is not a de Polignac number, because 2664630412161 - 2⁹ = 2664630411649 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2664630412181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2215981 + ... + 3199973.

It is an arithmetic number, because the mean of its divisors is an integer number (444106012020).

Almost surely, 2^{2664630412161} is an apocalyptic number.

It is an amenable number.

2664630412161 is a deficient number, since it is larger than the sum of its proper divisors (888217683999).

2664630412161 is an equidigital number, since it uses as much as digits as its factorization.

2664630412161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886655.

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 2664630412161 in words is "two trillion, six hundred sixty-four billion, six hundred thirty million, four hundred twelve thousand, one hundred sixty-one".