66206361230 has 32 divisors (see below), whose sum is σ = 119416550400. Its totient is φ = 26428132512.

The previous prime is 66206361203. The next prime is 66206361253. The reversal of 66206361230 is 3216360266.

It is a super-2 number, since 2×66206361230² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 19116479 + ... + 19119941.

It is an arithmetic number, because the mean of its divisors is an integer number (3731767200).

Almost surely, 2^66206361230 is an apocalyptic number.

66206361230 is a deficient number, since it is larger than the sum of its proper divisors (53210189170).

66206361230 is a wasteful number, since it uses less digits than its factorization.

66206361230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 66206361230 in words is "sixty-six billion, two hundred six million, three hundred sixty-one thousand, two hundred thirty".