7201666630 has 16 divisors (see below), whose sum is σ = 13091348304. Its totient is φ = 2852144800.

The previous prime is 7201666627. The next prime is 7201666679. The reversal of 7201666630 is 366661027.

It is a self number, because there is not a number n which added to its sum of digits gives 7201666630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3564172 + ... + 3566191.

It is an arithmetic number, because the mean of its divisors is an integer number (818209269).

Almost surely, 2^7201666630 is an apocalyptic number.

7201666630 is a deficient number, since it is larger than the sum of its proper divisors (5889681674).

7201666630 is a wasteful number, since it uses less digits than its factorization.

7201666630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7130471.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 7201666630 is about 84862.6338855918. The cubic root of 7201666630 is about 1931.1277497142.

The spelling of 7201666630 in words is "seven billion, two hundred one million, six hundred sixty-six thousand, six hundred thirty".