213153166 has 8 divisors (see below), whose sum is σ = 319927680. Its totient is φ = 106510608.

The previous prime is 213153133. The next prime is 213153169. The reversal of 213153166 is 661351312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213153169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28846 + ... + 35473.

It is an arithmetic number, because the mean of its divisors is an integer number (39990960).

Almost surely, 2^213153166 is an apocalyptic number.

213153166 is a deficient number, since it is larger than the sum of its proper divisors (106774514).

213153166 is a wasteful number, since it uses less digits than its factorization.

213153166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65978.

The product of its digits is 3240, while the sum is 28.

The square root of 213153166 is about 14599.7659570282. The cubic root of 213153166 is about 597.3523765946.

The spelling of 213153166 in words is "two hundred thirteen million, one hundred fifty-three thousand, one hundred sixty-six".