6950667661 has 4 divisors (see below), whose sum is σ = 7943620192. Its totient is φ = 5957715132.

The previous prime is 6950667641. The next prime is 6950667707. The reversal of 6950667661 is 1667660596.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6950667661 - 2¹⁹ = 6950143373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6950667599 and 6950667608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6950667601) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 496476255 + ... + 496476268.

It is an arithmetic number, because the mean of its divisors is an integer number (1985905048).

Almost surely, 2^6950667661 is an apocalyptic number.

It is an amenable number.

6950667661 is a deficient number, since it is larger than the sum of its proper divisors (992952531).

6950667661 is an equidigital number, since it uses as much as digits as its factorization.

6950667661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992952530.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The square root of 6950667661 is about 83370.6642710732. The cubic root of 6950667661 is about 1908.4268051383.

The spelling of 6950667661 in words is "six billion, nine hundred fifty million, six hundred sixty-seven thousand, six hundred sixty-one".