5555662665 has 64 divisors (see below), whose sum is σ = 10457911296. Its totient is φ = 2465309952.

The previous prime is 5555662583. The next prime is 5555662687. The reversal of 5555662665 is 5662665555.

It is not a de Polignac number, because 5555662665 - 2¹⁷ = 5555531593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1952734 + ... + 1955576.

It is an arithmetic number, because the mean of its divisors is an integer number (163404864).

Almost surely, 2^5555662665 is an apocalyptic number.

It is an amenable number.

5555662665 is a deficient number, since it is larger than the sum of its proper divisors (4902248631).

5555662665 is a wasteful number, since it uses less digits than its factorization.

5555662665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3398.

The product of its digits is 8100000, while the sum is 51.

The square root of 5555662665 is about 74536.3177585263. The cubic root of 5555662665 is about 1771.1089973081.

The spelling of 5555662665 in words is "five billion, five hundred fifty-five million, six hundred sixty-two thousand, six hundred sixty-five".