210668132 has 12 divisors (see below), whose sum is σ = 384698496. Its totient is φ = 100754280.

The previous prime is 210668111. The next prime is 210668141. The reversal of 210668132 is 231866012.

It is a junction number, because it is equal to n+sod(n) for n = 210668095 and 210668104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1144844 + ... + 1145027.

It is an arithmetic number, because the mean of its divisors is an integer number (32058208).

Almost surely, 2^210668132 is an apocalyptic number.

It is an amenable number.

210668132 is a deficient number, since it is larger than the sum of its proper divisors (174030364).

210668132 is a wasteful number, since it uses less digits than its factorization.

210668132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289898 (or 2289896 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 210668132 is about 14514.4111833722. The cubic root of 210668132 is about 595.0218968944.

The spelling of 210668132 in words is "two hundred ten million, six hundred sixty-eight thousand, one hundred thirty-two".