354221363170406 has 16 divisors (see below), whose sum is σ = 543689152072704. Its totient is φ = 172991654118024.

The previous prime is 354221363170399. The next prime is 354221363170453. The reversal of 354221363170406 is 604071363122453.

It is a super-3 number, since 3×354221363170406³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 139612715 + ... + 142127241.

It is an arithmetic number, because the mean of its divisors is an integer number (33980572004544).

Almost surely, 2^{354221363170406} is an apocalyptic number.

354221363170406 is a deficient number, since it is larger than the sum of its proper divisors (189467788902298).

354221363170406 is a wasteful number, since it uses less digits than its factorization.

354221363170406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4152595.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 354221363170406 in words is "three hundred fifty-four trillion, two hundred twenty-one billion, three hundred sixty-three million, one hundred seventy thousand, four hundred six".