1166760540 has 72 divisors (see below), whose sum is σ = 3860923248. Its totient is φ = 282850560.

The previous prime is 1166760527. The next prime is 1166760587. The reversal of 1166760540 is 450676611.

1166760540 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 7 + 605 + 40 = 666.

It is a super-2 number, since 2×1166760540² = 2722660315402183200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1166760495 and 1166760504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292657 + ... + 296616.

It is an arithmetic number, because the mean of its divisors is an integer number (53623934).

Almost surely, 2^1166760540 is an apocalyptic number.

1166760540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1166760540 is an abundant number, since it is smaller than the sum of its proper divisors (2694162708).

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

1166760540 is a wasteful number, since it uses less digits than its factorization.

1166760540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589299 (or 589294 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1166760540 is about 34157.8766904502. The cubic root of 1166760540 is about 1052.7548339821.

The spelling of 1166760540 in words is "one billion, one hundred sixty-six million, seven hundred sixty thousand, five hundred forty".