213752169036 has 108 divisors (see below), whose sum is σ = 632297706768. Its totient is φ = 60706263744.

The previous prime is 213752169023. The next prime is 213752169067. The reversal of 213752169036 is 630961257312.

213752169036 is a `hidden beast` number, since 2 + 1 + 3 + 7 + 521 + 6 + 90 + 36 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 213752168982 and 213752169000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 68211 + ... + 657386.

It is an arithmetic number, because the mean of its divisors is an integer number (5854608396).

Almost surely, 2^213752169036 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 213752169036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316148853384).

213752169036 is an abundant number, since it is smaller than the sum of its proper divisors (418545537732).

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

213752169036 is a wasteful number, since it uses less digits than its factorization.

213752169036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725788 (or 725776 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 213752169036 in words is "two hundred thirteen billion, seven hundred fifty-two million, one hundred sixty-nine thousand, thirty-six".