1097665506148 has 12 divisors (see below), whose sum is σ = 1929158906220. Its totient is φ = 546477247232.

The previous prime is 1097665506143. The next prime is 1097665506151. The reversal of 1097665506148 is 8416055667901.

It can be written as a sum of positive squares in 2 ways, for example, as 497338069284 + 600327436864 = 705222^2 + 774808^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1097665506092 and 1097665506101.

It is not an unprimeable number, because it can be changed into a prime (1097665506143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588875413 + ... + 588877276.

It is an arithmetic number, because the mean of its divisors is an integer number (160763242185).

Almost surely, 2^{1097665506148} is an apocalyptic number.

It is an amenable number.

1097665506148 is a deficient number, since it is larger than the sum of its proper divisors (831493400072).

1097665506148 is a wasteful number, since it uses less digits than its factorization.

1097665506148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177752926 (or 1177752924 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 58.

The spelling of 1097665506148 in words is "one trillion, ninety-seven billion, six hundred sixty-five million, five hundred six thousand, one hundred forty-eight".