7667610681 has 16 divisors (see below), whose sum is σ = 10366202880. Its totient is φ = 5040689280.

The previous prime is 7667610653. The next prime is 7667610733. The reversal of 7667610681 is 1860167667.

It is not a de Polignac number, because 7667610681 - 2¹⁷ = 7667479609 is a prime.

It is a super-3 number, since 3×7667610681³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7667610681.

It is not an unprimeable number, because it can be changed into a prime (7667610611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61096 + ... + 138086.

It is an arithmetic number, because the mean of its divisors is an integer number (647887680).

Almost surely, 2^7667610681 is an apocalyptic number.

It is an amenable number.

7667610681 is a deficient number, since it is larger than the sum of its proper divisors (2698592199).

7667610681 is a wasteful number, since it uses less digits than its factorization.

7667610681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77456.

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 7667610681 is about 87564.8941128806. The cubic root of 7667610681 is about 1971.9081617890.

The spelling of 7667610681 in words is "seven billion, six hundred sixty-seven million, six hundred ten thousand, six hundred eighty-one".