1165746560 has 64 divisors (see below), whose sum is σ = 3040232400. Its totient is φ = 423905280.

The previous prime is 1165746551. The next prime is 1165746619. The reversal of 1165746560 is 656475611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75755 + ... + 89834.

Almost surely, 2^1165746560 is an apocalyptic number.

1165746560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165746560 is an abundant number, since it is smaller than the sum of its proper divisors (1874485840).

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

1165746560 is a wasteful number, since it uses less digits than its factorization.

1165746560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165619 (or 165607 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1165746560 is about 34143.0309140826. The cubic root of 1165746560 is about 1052.4497780344.

The spelling of 1165746560 in words is "one billion, one hundred sixty-five million, seven hundred forty-six thousand, five hundred sixty".