2664056461 has 4 divisors (see below), whose sum is σ = 2906243424. Its totient is φ = 2421869500.

The previous prime is 2664056459. The next prime is 2664056471. The reversal of 2664056461 is 1646504662.

2664056461 is digitally balanced in base 2, 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 2664056461 - 2¹ = 2664056459 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664056471) 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, 121093465 + ... + 121093486.

It is an arithmetic number, because the mean of its divisors is an integer number (726560856).

Almost surely, 2^2664056461 is an apocalyptic number.

It is an amenable number.

2664056461 is a deficient number, since it is larger than the sum of its proper divisors (242186963).

2664056461 is a wasteful number, since it uses less digits than its factorization.

2664056461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242186962.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 2664056461 is about 51614.4985541853. The cubic root of 2664056461 is about 1386.2699471144.

The spelling of 2664056461 in words is "two billion, six hundred sixty-four million, fifty-six thousand, four hundred sixty-one".