1464305077661 has 4 divisors (see below), whose sum is σ = 1464328431900. Its totient is φ = 1464281723424.

The previous prime is 1464305077589. The next prime is 1464305077769. The reversal of 1464305077661 is 1667705034641.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 531632015161 + 932673062500 = 729131^2 + 965750^2 .

It is a cyclic number.

It is not a de Polignac number, because 1464305077661 - 2¹⁴ = 1464305061277 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 (1464305071661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11582816 + ... + 11708553.

It is an arithmetic number, because the mean of its divisors is an integer number (366082107975).

Almost surely, 2^{1464305077661} is an apocalyptic number.

It is an amenable number.

1464305077661 is a deficient number, since it is larger than the sum of its proper divisors (23354239).

1464305077661 is an equidigital number, since it uses as much as digits as its factorization.

1464305077661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23354238.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 1464305077661 in words is "one trillion, four hundred sixty-four billion, three hundred five million, seventy-seven thousand, six hundred sixty-one".