213157648 has 40 divisors (see below), whose sum is σ = 451533600. Its totient is φ = 96675840.

The previous prime is 213157621. The next prime is 213157649. The reversal of 213157648 is 846751312.

It is not an unprimeable number, because it can be changed into a prime (213157649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100503 + ... + 102601.

It is an arithmetic number, because the mean of its divisors is an integer number (11288340).

Almost surely, 2^213157648 is an apocalyptic number.

It is an amenable number.

213157648 is an abundant number, since it is smaller than the sum of its proper divisors (238375952).

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

213157648 is a wasteful number, since it uses less digits than its factorization.

213157648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2695 (or 2689 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 213157648 is about 14599.9194518326. The cubic root of 213157648 is about 597.3565634346.

The spelling of 213157648 in words is "two hundred thirteen million, one hundred fifty-seven thousand, six hundred forty-eight".