7200620166 has 16 divisors (see below), whose sum is σ = 15027381504. Its totient is φ = 2295849864.

The previous prime is 7200620153. The next prime is 7200620173. The reversal of 7200620166 is 6610260027.

It is a super-3 number, since 3×7200620166³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26089066 + ... + 26089341.

It is an arithmetic number, because the mean of its divisors is an integer number (939211344).

Almost surely, 2^7200620166 is an apocalyptic number.

7200620166 is an abundant number, since it is smaller than the sum of its proper divisors (7826761338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7200620166 is a wasteful number, since it uses less digits than its factorization.

7200620166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52178435.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 7200620166 is about 84856.4680268982. The cubic root of 7200620166 is about 1931.0342087019.

The spelling of 7200620166 in words is "seven billion, two hundred million, six hundred twenty thousand, one hundred sixty-six".