213583066 has 32 divisors (see below), whose sum is σ = 343474560. Its totient is φ = 99320256.

The previous prime is 213583049. The next prime is 213583079. The reversal of 213583066 is 660385312.

213583066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 770920 + ... + 771196.

It is an arithmetic number, because the mean of its divisors is an integer number (10733580).

Almost surely, 2^213583066 is an apocalyptic number.

213583066 is a deficient number, since it is larger than the sum of its proper divisors (129891494).

213583066 is a wasteful number, since it uses less digits than its factorization.

213583066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 213583066 is about 14614.4813797822. The cubic root of 213583066 is about 597.7536988618.

The spelling of 213583066 in words is "two hundred thirteen million, five hundred eighty-three thousand, sixty-six".