3554401656655 has 8 divisors (see below), whose sum is σ = 4273468712784. Its totient is φ = 2838063508800.

The previous prime is 3554401656599. The next prime is 3554401656703. The reversal of 3554401656655 is 5566561044553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3554401656655 - 2¹⁵ = 3554401623887 is a prime.

It is a super-2 number, since 2×3554401656655² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3554401656596 and 3554401656605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682224201 + ... + 682229410.

It is an arithmetic number, because the mean of its divisors is an integer number (534183589098).

Almost surely, 2^{3554401656655} is an apocalyptic number.

3554401656655 is a deficient number, since it is larger than the sum of its proper divisors (719067056129).

3554401656655 is a wasteful number, since it uses less digits than its factorization.

3554401656655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1364454137.

The product of its (nonzero) digits is 32400000, while the sum is 55.

The spelling of 3554401656655 in words is "three trillion, five hundred fifty-four billion, four hundred one million, six hundred fifty-six thousand, six hundred fifty-five".