1165783480 has 16 divisors (see below), whose sum is σ = 2623012920. Its totient is φ = 466313376.

The previous prime is 1165783477. The next prime is 1165783481. The reversal of 1165783480 is 843875611.

It is a super-2 number, since 2×1165783480² = 2718102244481820800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165783481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14572254 + ... + 14572333.

Almost surely, 2^1165783480 is an apocalyptic number.

1165783480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1165783480 is an abundant number, since it is smaller than the sum of its proper divisors (1457229440).

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

1165783480 is a wasteful number, since it uses less digits than its factorization.

1165783480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29144598 (or 29144594 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 1165783480 is about 34143.5715765062. The cubic root of 1165783480 is about 1052.4608885213.

The spelling of 1165783480 in words is "one billion, one hundred sixty-five million, seven hundred eighty-three thousand, four hundred eighty".