545521106424636 has 288 divisors, whose sum is σ = 1620250281861120. Its totient is φ = 153567668275200.

The previous prime is 545521106424571. The next prime is 545521106424643. The reversal of 545521106424636 is 636424601125545.

545521106424636 is a `hidden beast` number, since 5 + 4 + 5 + 5 + 2 + 110 + 64 + 2 + 463 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 842326 + ... + 33041666.

It is an arithmetic number, because the mean of its divisors is an integer number (5625869034240).

Almost surely, 2^{545521106424636} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545521106424636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810125140930560).

545521106424636 is an abundant number, since it is smaller than the sum of its proper divisors (1074729175436484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545521106424636 is a wasteful number, since it uses less digits than its factorization.

545521106424636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32199465 (or 32199460 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 54.

The spelling of 545521106424636 in words is "five hundred forty-five trillion, five hundred twenty-one billion, one hundred six million, four hundred twenty-four thousand, six hundred thirty-six".