354163881553 has 8 divisors (see below), whose sum is σ = 354565853568. Its totient is φ = 353761996224.

The previous prime is 354163881523. The next prime is 354163881569. The reversal of 354163881553 is 355188361453.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-354163881553 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 354163881553.

It is not an unprimeable number, because it can be changed into a prime (354163881523) 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 7 ways as a sum of consecutive naturals, for example, 11567401 + ... + 11597977.

It is an arithmetic number, because the mean of its divisors is an integer number (44320731696).

Almost surely, 2^354163881553 is an apocalyptic number.

It is an amenable number.

354163881553 is a deficient number, since it is larger than the sum of its proper divisors (401972015).

354163881553 is a wasteful number, since it uses less digits than its factorization.

354163881553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43343.

The product of its digits is 5184000, while the sum is 52.

The spelling of 354163881553 in words is "three hundred fifty-four billion, one hundred sixty-three million, eight hundred eighty-one thousand, five hundred fifty-three".