1002567257266 has 16 divisors (see below), whose sum is σ = 1505771377344. Its totient is φ = 500643809424.

The previous prime is 1002567257261. The next prime is 1002567257267. The reversal of 1002567257266 is 6627527652001.

It is a super-2 number, since 2×1002567257266² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002567257261) 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, 5864881 + ... + 6033403.

It is an arithmetic number, because the mean of its divisors is an integer number (94110711084).

Almost surely, 2^{1002567257266} is an apocalyptic number.

1002567257266 is a deficient number, since it is larger than the sum of its proper divisors (503204120078).

1002567257266 is a wasteful number, since it uses less digits than its factorization.

1002567257266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172305.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The spelling of 1002567257266 in words is "one trillion, two billion, five hundred sixty-seven million, two hundred fifty-seven thousand, two hundred sixty-six".