3554357466661 has 4 divisors (see below), whose sum is σ = 3594294067500. Its totient is φ = 3514420865824.

The previous prime is 3554357466659. The next prime is 3554357466691. The reversal of 3554357466661 is 1666647534553.

It is a happy number.

3554357466661 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.

It can be written as a sum of positive squares in 2 ways, for example, as 721767485761 + 2832589980900 = 849569^2 + 1683030^2 .

It is a cyclic number.

It is not a de Polignac number, because 3554357466661 - 2¹ = 3554357466659 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3554357466661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3554357466691) 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, 19968300286 + ... + 19968300463.

It is an arithmetic number, because the mean of its divisors is an integer number (898573516875).

Almost surely, 2^{3554357466661} is an apocalyptic number.

It is an amenable number.

3554357466661 is a deficient number, since it is larger than the sum of its proper divisors (39936600839).

3554357466661 is an equidigital number, since it uses as much as digits as its factorization.

3554357466661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39936600838.

The product of its digits is 163296000, while the sum is 61.

The spelling of 3554357466661 in words is "three trillion, five hundred fifty-four billion, three hundred fifty-seven million, four hundred sixty-six thousand, six hundred sixty-one".