7816920206 has 16 divisors (see below), whose sum is σ = 12058993584. Its totient is φ = 3798178944.

The previous prime is 7816920193. The next prime is 7816920317. The reversal of 7816920206 is 6020296187.

It is a super-2 number, since 2×7816920206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213755 + ... + 247638.

It is an arithmetic number, because the mean of its divisors is an integer number (753687099).

Almost surely, 2^7816920206 is an apocalyptic number.

7816920206 is a deficient number, since it is larger than the sum of its proper divisors (4242073378).

7816920206 is a wasteful number, since it uses less digits than its factorization.

7816920206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461635.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 7816920206 is about 88413.3485736175. The cubic root of 7816920206 is about 1984.6254651876.

The spelling of 7816920206 in words is "seven billion, eight hundred sixteen million, nine hundred twenty thousand, two hundred six".