1166624 has 12 divisors (see below), whose sum is σ = 2296854. Its totient is φ = 583296.

The previous prime is 1166617. The next prime is 1166639. The reversal of 1166624 is 4266611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 883600 + 283024 = 940^2 + 532^2 .

It is a super-2 number, since 2×1166624² = 2722023114752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1166593 and 1166602.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18197 + ... + 18260.

2^1166624 is an apocalyptic number.

It is an amenable number.

1166624 is a deficient number, since it is larger than the sum of its proper divisors (1130230).

1166624 is an equidigital number, since it uses as much as digits as its factorization.

1166624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36467 (or 36459 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 1166624 is about 1080.1036987253. The cubic root of 1166624 is about 105.2713766214.

The spelling of 1166624 in words is "one million, one hundred sixty-six thousand, six hundred twenty-four".