1024255215666 has 32 divisors (see below), whose sum is σ = 2287560528000. Its totient is φ = 339702731280.

The previous prime is 1024255215653. The next prime is 1024255215667. The reversal of 1024255215666 is 6665125524201.

It is not an unprimeable number, because it can be changed into a prime (1024255215667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47646765 + ... + 47668256.

It is an arithmetic number, because the mean of its divisors is an integer number (71486266500).

Almost surely, 2^{1024255215666} is an apocalyptic number.

1024255215666 is an abundant number, since it is smaller than the sum of its proper divisors (1263305312334).

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

1024255215666 is a wasteful number, since it uses less digits than its factorization.

1024255215666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95315231 (or 95315225 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 1024255215666 in words is "one trillion, twenty-four billion, two hundred fifty-five million, two hundred fifteen thousand, six hundred sixty-six".