1097563686 has 16 divisors (see below), whose sum is σ = 2248667568. Its totient is φ = 356931200.

The previous prime is 1097563681. The next prime is 1097563717. The reversal of 1097563686 is 6863657901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097563681) 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, 2230575 + ... + 2231066.

It is an arithmetic number, because the mean of its divisors is an integer number (140541723).

Almost surely, 2^1097563686 is an apocalyptic number.

1097563686 is an abundant number, since it is smaller than the sum of its proper divisors (1151103882).

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

1097563686 is a wasteful number, since it uses less digits than its factorization.

1097563686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461687.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 1097563686 is about 33129.4987284746. The cubic root of 1097563686 is about 1031.5174434803.

The spelling of 1097563686 in words is "one billion, ninety-seven million, five hundred sixty-three thousand, six hundred eighty-six".