7000661650 has 24 divisors (see below), whose sum is σ = 13052199204. Its totient is φ = 2793604800.

The previous prime is 7000661641. The next prime is 7000661669. The reversal of 7000661650 is 561660007.

It can be written as a sum of positive squares in 6 ways, for example, as 732297721 + 6268363929 = 27061^2 + 79173^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145237 + ... + 187336.

Almost surely, 2^7000661650 is an apocalyptic number.

7000661650 is a deficient number, since it is larger than the sum of its proper divisors (6051537554).

7000661650 is a wasteful number, since it uses less digits than its factorization.

7000661650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333006 (or 333001 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 7000661650 is about 83669.9566750217. The cubic root of 7000661650 is about 1912.9914518696.

The spelling of 7000661650 in words is "seven billion, six hundred sixty-one thousand, six hundred fifty".