1163597655 has 16 divisors (see below), whose sum is σ = 2031007104. Its totient is φ = 564168480.

The previous prime is 1163597651. The next prime is 1163597663. The reversal of 1163597655 is 5567953611.

It is not a de Polignac number, because 1163597655 - 2² = 1163597651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163597651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3525889 + ... + 3526218.

It is an arithmetic number, because the mean of its divisors is an integer number (126937944).

Almost surely, 2^1163597655 is an apocalyptic number.

1163597655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1163597655 is a deficient number, since it is larger than the sum of its proper divisors (867409449).

1163597655 is a wasteful number, since it uses less digits than its factorization.

1163597655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7052126.

The product of its digits is 850500, while the sum is 48.

The square root of 1163597655 is about 34111.5472384353. The cubic root of 1163597655 is about 1051.8026946520.

The spelling of 1163597655 in words is "one billion, one hundred sixty-three million, five hundred ninety-seven thousand, six hundred fifty-five".