7660990667 has 8 divisors (see below), whose sum is σ = 8475155712. Its totient is φ = 6866444200.

The previous prime is 7660990657. The next prime is 7660990681.

It is a happy number.

7660990667 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7660990667 - 2⁴ = 7660990651 is a prime.

It is a super-2 number, since 2×7660990667² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7660990607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4903823 + ... + 4905384.

It is an arithmetic number, because the mean of its divisors is an integer number (1059394464).

Almost surely, 2^7660990667 is an apocalyptic number.

7660990667 is a deficient number, since it is larger than the sum of its proper divisors (814165045).

7660990667 is a wasteful number, since it uses less digits than its factorization.

7660990667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9809289.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The square root of 7660990667 is about 87527.0853336269. The cubic root of 7660990667 is about 1971.3405004567.

The spelling of 7660990667 in words is "seven billion, six hundred sixty million, nine hundred ninety thousand, six hundred sixty-seven".