1165746855 has 64 divisors (see below), whose sum is σ = 2327270400. Its totient is φ = 485139456.

The previous prime is 1165746853. The next prime is 1165746859. The reversal of 1165746855 is 5586475611.

It is not a de Polignac number, because 1165746855 - 2¹ = 1165746853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165746853) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93796 + ... + 105494.

It is an arithmetic number, because the mean of its divisors is an integer number (36363600).

Almost surely, 2^1165746855 is an apocalyptic number.

1165746855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1165746855 is a deficient number, since it is larger than the sum of its proper divisors (1161523545).

1165746855 is a wasteful number, since it uses less digits than its factorization.

1165746855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11800.

The product of its digits is 1008000, while the sum is 48.

The square root of 1165746855 is about 34143.0352341440. The cubic root of 1165746855 is about 1052.4498668109.

The spelling of 1165746855 in words is "one billion, one hundred sixty-five million, seven hundred forty-six thousand, eight hundred fifty-five".