66210134 has 8 divisors (see below), whose sum is σ = 99571680. Its totient is φ = 33019576.

The previous prime is 66210119. The next prime is 66210143. The reversal of 66210134 is 43101266.

It is a happy number.

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

It is a congruent number.

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, 41774 + ... + 43329.

It is an arithmetic number, because the mean of its divisors is an integer number (12446460).

Almost surely, 2^66210134 is an apocalyptic number.

66210134 is a deficient number, since it is larger than the sum of its proper divisors (33361546).

66210134 is a wasteful number, since it uses less digits than its factorization.

66210134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85494.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 66210134 is about 8136.9609806119. The cubic root of 66210134 is about 404.5524375561.

The spelling of 66210134 in words is "sixty-six million, two hundred ten thousand, one hundred thirty-four".