1097663732 has 24 divisors (see below), whose sum is σ = 2100104832. Its totient is φ = 497851200.

The previous prime is 1097663731. The next prime is 1097663741. The reversal of 1097663732 is 2373667901.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097663731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6569 + ... + 47312.

It is an arithmetic number, because the mean of its divisors is an integer number (87504368).

Almost surely, 2^1097663732 is an apocalyptic number.

It is an amenable number.

1097663732 is a deficient number, since it is larger than the sum of its proper divisors (1002441100).

1097663732 is a wasteful number, since it uses less digits than its factorization.

1097663732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54359 (or 54357 counting only the distinct ones).

The product of its (nonzero) digits is 285768, while the sum is 44.

The square root of 1097663732 is about 33131.0086173059. The cubic root of 1097663732 is about 1031.5487844281.

The spelling of 1097663732 in words is "one billion, ninety-seven million, six hundred sixty-three thousand, seven hundred thirty-two".