1089666360 has 48 divisors (see below), whose sum is σ = 3541416840. Its totient is φ = 290577600.

The previous prime is 1089666299. The next prime is 1089666367. The reversal of 1089666360 is 636669801.

It is a super-2 number, since 2×1089666360² = 2374745552231299200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089666367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1513066 + ... + 1513785.

Almost surely, 2^1089666360 is an apocalyptic number.

1089666360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089666360 is an abundant number, since it is smaller than the sum of its proper divisors (2451750480).

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

1089666360 is a wasteful number, since it uses less digits than its factorization.

1089666360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3026868 (or 3026861 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 1089666360 is about 33010.0948196154. The cubic root of 1089666360 is about 1029.0374518522.

It can be divided in two parts, 1089666 and 360, that added together give a triangular number (1090026 = T₁₄₇₆).

The spelling of 1089666360 in words is "one billion, eighty-nine million, six hundred sixty-six thousand, three hundred sixty".