5665566001651 has 8 divisors (see below), whose sum is σ = 5715774932400. Its totient is φ = 5615358319872.

The previous prime is 5665566001649. The next prime is 5665566001699. The reversal of 5665566001651 is 1561006655665.

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

It is a cyclic number.

It is not a de Polignac number, because 5665566001651 - 2¹ = 5665566001649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5665566005651) 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, 10430476 + ... + 10960198.

It is an arithmetic number, because the mean of its divisors is an integer number (714471866550).

Almost surely, 2^{5665566001651} is an apocalyptic number.

5665566001651 is a deficient number, since it is larger than the sum of its proper divisors (50208930749).

5665566001651 is a wasteful number, since it uses less digits than its factorization.

5665566001651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624485.

The product of its (nonzero) digits is 4860000, while the sum is 52.

The spelling of 5665566001651 in words is "five trillion, six hundred sixty-five billion, five hundred sixty-six million, one thousand, six hundred fifty-one".