7000600000661 has 4 divisors (see below), whose sum is σ = 7042519761312. Its totient is φ = 6958680240012.

The previous prime is 7000600000621. The next prime is 7000600000673. The reversal of 7000600000661 is 1660000060007.

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 7000600000661 - 2¹⁰ = 7000599999637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7000600000661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7000600000621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20959880075 + ... + 20959880408.

It is an arithmetic number, because the mean of its divisors is an integer number (1760629940328).

Almost surely, 2^{7000600000661} is an apocalyptic number.

It is an amenable number.

7000600000661 is a deficient number, since it is larger than the sum of its proper divisors (41919760651).

7000600000661 is a wasteful number, since it uses less digits than its factorization.

7000600000661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41919760650.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 7000600000661 its reverse (1660000060007), we get a palindrome (8660600060668).

The spelling of 7000600000661 in words is "seven trillion, six hundred million, six hundred sixty-one", and thus it is an aban number.