1097266664 has 16 divisors (see below), whose sum is σ = 2215634820. Its totient is φ = 506430720.

The previous prime is 1097266637. The next prime is 1097266691. The reversal of 1097266664 is 4666627901.

It is an interprime number because it is at equal distance from previous prime (1097266637) and next prime (1097266691).

It can be written as a sum of positive squares in 2 ways, for example, as 1089660100 + 7606564 = 33010^2 + 2758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5275217 + ... + 5275424.

Almost surely, 2^1097266664 is an apocalyptic number.

It is an amenable number.

1097266664 is an abundant number, since it is smaller than the sum of its proper divisors (1118368156).

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

1097266664 is a wasteful number, since it uses less digits than its factorization.

1097266664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10550660 (or 10550656 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 1097266664 is about 33125.0156830152. The cubic root of 1097266664 is about 1031.4243855496.

The spelling of 1097266664 in words is "one billion, ninety-seven million, two hundred sixty-six thousand, six hundred sixty-four".