21160113626 has 8 divisors (see below), whose sum is σ = 31809625140. Its totient is φ = 10556905248.

The previous prime is 21160113619. The next prime is 21160113671. The reversal of 21160113626 is 62631106112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20642505625 + 517608001 = 143675^2 + 22751^2 .

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

It is a Curzon 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, 11574641 + ... + 11576468.

Almost surely, 2^21160113626 is an apocalyptic number.

21160113626 is a deficient number, since it is larger than the sum of its proper divisors (10649511514).

21160113626 is a wasteful number, since it uses less digits than its factorization.

21160113626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23151568.

The product of its (nonzero) digits is 2592, while the sum is 29.

Adding to 21160113626 its reverse (62631106112), we get a palindrome (83791219738).

The spelling of 21160113626 in words is "twenty-one billion, one hundred sixty million, one hundred thirteen thousand, six hundred twenty-six".