1097716261437 has 16 divisors (see below), whose sum is σ = 1626531298560. Its totient is φ = 731682597600.

The previous prime is 1097716261429. The next prime is 1097716261441. The reversal of 1097716261437 is 7341626177901.

1097716261437 is a `hidden beast` number, since 1 + 0 + 9 + 7 + 7 + 1 + 626 + 1 + 4 + 3 + 7 = 666.

It is not a de Polignac number, because 1097716261437 - 2³ = 1097716261429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097716261427) 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, 3405264 + ... + 3713657.

It is an arithmetic number, because the mean of its divisors is an integer number (101658206160).

Almost surely, 2^{1097716261437} is an apocalyptic number.

It is an amenable number.

1097716261437 is a deficient number, since it is larger than the sum of its proper divisors (528815037123).

1097716261437 is an equidigital number, since it uses as much as digits as its factorization.

1097716261437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7124641 (or 7124635 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 1097716261437 in words is "one trillion, ninety-seven billion, seven hundred sixteen million, two hundred sixty-one thousand, four hundred thirty-seven".