1466534856477 has 4 divisors (see below), whose sum is σ = 1955379808640. Its totient is φ = 977689904316.

The previous prime is 1466534856443. The next prime is 1466534856529. The reversal of 1466534856477 is 7746584356641.

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 not a de Polignac number, because 1466534856477 - 2¹⁰ = 1466534855453 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 (1466534851477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244422476077 + ... + 244422476082.

It is an arithmetic number, because the mean of its divisors is an integer number (488844952160).

Almost surely, 2^{1466534856477} is an apocalyptic number.

It is an amenable number.

1466534856477 is a deficient number, since it is larger than the sum of its proper divisors (488844952163).

1466534856477 is an equidigital number, since it uses as much as digits as its factorization.

1466534856477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488844952162.

The product of its digits is 406425600, while the sum is 66.

The spelling of 1466534856477 in words is "one trillion, four hundred sixty-six billion, five hundred thirty-four million, eight hundred fifty-six thousand, four hundred seventy-seven".