21160792 has 8 divisors (see below), whose sum is σ = 39676500. Its totient is φ = 10580392.

The previous prime is 21160787. The next prime is 21160793. The reversal of 21160792 is 29706112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 21160792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322542 + ... + 1322557.

Almost surely, 2^21160792 is an apocalyptic number.

It is an amenable number.

21160792 is a deficient number, since it is larger than the sum of its proper divisors (18515708).

21160792 is a wasteful number, since it uses less digits than its factorization.

21160792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645105 (or 2645101 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 21160792 is about 4600.0860861510. The cubic root of 21160792 is about 276.5947755984.

It can be divided in two parts, 21160 and 792, that added together give a cube (21952 = 28³).

The spelling of 21160792 in words is "twenty-one million, one hundred sixty thousand, seven hundred ninety-two".