354171644636 has 48 divisors (see below), whose sum is σ = 639961771680. Its totient is φ = 171397524480.

The previous prime is 354171644621. The next prime is 354171644639. The reversal of 354171644636 is 636446171453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354171644639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16957496 + ... + 16978368.

It is an arithmetic number, because the mean of its divisors is an integer number (13332536910).

Almost surely, 2^354171644636 is an apocalyptic number.

It is an amenable number.

354171644636 is a deficient number, since it is larger than the sum of its proper divisors (285790127044).

354171644636 is a wasteful number, since it uses less digits than its factorization.

354171644636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21734 (or 21732 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 50.

The spelling of 354171644636 in words is "three hundred fifty-four billion, one hundred seventy-one million, six hundred forty-four thousand, six hundred thirty-six".