7666489950 has 96 divisors (see below), whose sum is σ = 22673834496. Its totient is φ = 1676146560.

The previous prime is 7666489939. The next prime is 7666489951. The reversal of 7666489950 is 599846667.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666489951) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 134577 + ... + 182876.

It is an arithmetic number, because the mean of its divisors is an integer number (236185776).

Almost surely, 2^7666489950 is an apocalyptic number.

7666489950 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7666489950 is an abundant number, since it is smaller than the sum of its proper divisors (15007344546).

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

7666489950 is a wasteful number, since it uses less digits than its factorization.

7666489950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317498 (or 317493 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The square root of 7666489950 is about 87558.4944479974. The cubic root of 7666489950 is about 1971.8120829113.

The spelling of 7666489950 in words is "seven billion, six hundred sixty-six million, four hundred eighty-nine thousand, nine hundred fifty".