1466426776661 has 16 divisors (see below), whose sum is σ = 1830851076480. Its totient is φ = 1141058508480.

The previous prime is 1466426776621. The next prime is 1466426776679. The reversal of 1466426776661 is 1666776246641.

It is not a de Polignac number, because 1466426776661 - 2³⁰ = 1465353034837 is a prime.

It is a Smith number, since the sum of its digits (62) 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 junction number, because it is equal to n+sod(n) for n = 1466426776594 and 1466426776603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466426776621) 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 15 ways as a sum of consecutive naturals, for example, 13375946 + ... + 13485131.

It is an arithmetic number, because the mean of its divisors is an integer number (114428192280).

Almost surely, 2^{1466426776661} is an apocalyptic number.

1466426776661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1466426776661 is a deficient number, since it is larger than the sum of its proper divisors (364424299819).

1466426776661 is a wasteful number, since it uses less digits than its factorization.

1466426776661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26861804.

The product of its digits is 73156608, while the sum is 62.

The spelling of 1466426776661 in words is "one trillion, four hundred sixty-six billion, four hundred twenty-six million, seven hundred seventy-six thousand, six hundred sixty-one".