1010665655 has 32 divisors (see below), whose sum is σ = 1294064640. Its totient is φ = 756138240.

The previous prime is 1010665637. The next prime is 1010665661. The reversal of 1010665655 is 5565660101.

It is not a de Polignac number, because 1010665655 - 2¹⁴ = 1010649271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1099286 + ... + 1100204.

It is an arithmetic number, because the mean of its divisors is an integer number (40439520).

Almost surely, 2^1010665655 is an apocalyptic number.

1010665655 is a deficient number, since it is larger than the sum of its proper divisors (283398985).

1010665655 is a wasteful number, since it uses less digits than its factorization.

1010665655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1010665655 is about 31790.9681356199. The cubic root of 1010665655 is about 1003.5426531216.

The spelling of 1010665655 in words is "one billion, ten million, six hundred sixty-five thousand, six hundred fifty-five".