5650661658 has 16 divisors (see below), whose sum is σ = 11691024480. Its totient is φ = 1818603696.

The previous prime is 5650661651. The next prime is 5650661659. The reversal of 5650661658 is 8561660565.

It is not an unprimeable number, because it can be changed into a prime (5650661651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16237360 + ... + 16237707.

It is an arithmetic number, because the mean of its divisors is an integer number (730689030).

Almost surely, 2^5650661658 is an apocalyptic number.

5650661658 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5650661658 is an abundant number, since it is smaller than the sum of its proper divisors (6040362822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5650661658 is a wasteful number, since it uses less digits than its factorization.

5650661658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32475101.

The product of its (nonzero) digits is 1296000, while the sum is 48.

The square root of 5650661658 is about 75170.8830465626. The cubic root of 5650661658 is about 1781.1470175193.

The spelling of 5650661658 in words is "five billion, six hundred fifty million, six hundred sixty-one thousand, six hundred fifty-eight".