2664456054461 has 4 divisors (see below), whose sum is σ = 2664461352000. Its totient is φ = 2664450756924.

The previous prime is 2664456054457. The next prime is 2664456054503. The reversal of 2664456054461 is 1644506544662.

It is a happy number.

2664456054461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 2664456054461 - 2² = 2664456054457 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664456054961) 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, 1804661 + ... + 2930138.

It is an arithmetic number, because the mean of its divisors is an integer number (666115338000).

Almost surely, 2^{2664456054461} is an apocalyptic number.

It is an amenable number.

2664456054461 is a deficient number, since it is larger than the sum of its proper divisors (5297539).

2664456054461 is an equidigital number, since it uses as much as digits as its factorization.

2664456054461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297538.

The product of its (nonzero) digits is 16588800, while the sum is 53.

The spelling of 2664456054461 in words is "two trillion, six hundred sixty-four billion, four hundred fifty-six million, fifty-four thousand, four hundred sixty-one".