21496736182 has 8 divisors (see below), whose sum is σ = 32316921000. Its totient is φ = 10724429184.

The previous prime is 21496736179. The next prime is 21496736197. The reversal of 21496736182 is 28163769412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11968332 + ... + 11970127.

It is an arithmetic number, because the mean of its divisors is an integer number (4039615125).

Almost surely, 2^21496736182 is an apocalyptic number.

21496736182 is a deficient number, since it is larger than the sum of its proper divisors (10820184818).

21496736182 is a wasteful number, since it uses less digits than its factorization.

21496736182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23938910.

The product of its digits is 870912, while the sum is 49.

The spelling of 21496736182 in words is "twenty-one billion, four hundred ninety-six million, seven hundred thirty-six thousand, one hundred eighty-two".