7667666650 has 48 divisors (see below), whose sum is σ = 16408771200. Its totient is φ = 2611252800.

The previous prime is 7667666603. The next prime is 7667666663. The reversal of 7667666650 is 566667667.

It is a super-2 number, since 2×7667666650² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7667666591 and 7667666600.

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 23 ways as a sum of consecutive naturals, for example, 21366 + ... + 125665.

It is an arithmetic number, because the mean of its divisors is an integer number (341849400).

Almost surely, 2^7667666650 is an apocalyptic number.

7667666650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7667666650 is an abundant number, since it is smaller than the sum of its proper divisors (8741104550).

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

7667666650 is a wasteful number, since it uses less digits than its factorization.

7667666650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147199 (or 147194 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 55.

The square root of 7667666650 is about 87565.2136981347. The cubic root of 7667666650 is about 1971.9129596965.

The spelling of 7667666650 in words is "seven billion, six hundred sixty-seven million, six hundred sixty-six thousand, six hundred fifty".