66100630 has 8 divisors (see below), whose sum is σ = 118981152. Its totient is φ = 26440248.

The previous prime is 66100627. The next prime is 66100631. The reversal of 66100630 is 3600166.

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 (66100631) 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, 3305022 + ... + 3305041.

It is an arithmetic number, because the mean of its divisors is an integer number (14872644).

Almost surely, 2^66100630 is an apocalyptic number.

66100630 is a deficient number, since it is larger than the sum of its proper divisors (52880522).

66100630 is a wasteful number, since it uses less digits than its factorization.

66100630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610070.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 66100630 is about 8130.2293940577. The cubic root of 66100630 is about 404.3292866457.

Adding to 66100630 its reverse (3600166), we get a palindrome (69700796).

The spelling of 66100630 in words is "sixty-six million, one hundred thousand, six hundred thirty".