21216601261162 has 8 divisors (see below), whose sum is σ = 31825216425600. Its totient is φ = 10608195785964.

The previous prime is 21216601261153. The next prime is 21216601261231. The reversal of 21216601261162 is 26116210661212.

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

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, 52169112 + ... + 52574227.

It is an arithmetic number, because the mean of its divisors is an integer number (3978152053200).

Almost surely, 2^{21216601261162} is an apocalyptic number.

21216601261162 is a deficient number, since it is larger than the sum of its proper divisors (10608615164438).

21216601261162 is a wasteful number, since it uses less digits than its factorization.

21216601261162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104844620.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 21216601261162 in words is "twenty-one trillion, two hundred sixteen billion, six hundred one million, two hundred sixty-one thousand, one hundred sixty-two".