213485326255632 has 160 divisors (see below), whose sum is σ = 582158536453120. Its totient is φ = 67227375029760.

The previous prime is 213485326255589. The next prime is 213485326255633. The reversal of 213485326255632 is 236552623584312.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (213485326255633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3125162757 + ... + 3125231067.

It is an arithmetic number, because the mean of its divisors is an integer number (3638490852832).

Almost surely, 2^{213485326255632} 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 213485326255632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291079268226560).

213485326255632 is an abundant number, since it is smaller than the sum of its proper divisors (368673210197488).

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

213485326255632 is a wasteful number, since it uses less digits than its factorization.

213485326255632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77901 (or 77895 counting only the distinct ones).

The product of its digits is 62208000, while the sum is 57.

The spelling of 213485326255632 in words is "two hundred thirteen trillion, four hundred eighty-five billion, three hundred twenty-six million, two hundred fifty-five thousand, six hundred thirty-two".