16213363600261 has 4 divisors (see below), whose sum is σ = 16330006504000. Its totient is φ = 16096720696524.

The previous prime is 16213363600237. The next prime is 16213363600309. The reversal of 16213363600261 is 16200636331261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16213363600261 - 2⁵ = 16213363600229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213363600961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58321451661 + ... + 58321451938.

It is an arithmetic number, because the mean of its divisors is an integer number (4082501626000).

Almost surely, 2^{16213363600261} is an apocalyptic number.

It is an amenable number.

16213363600261 is a deficient number, since it is larger than the sum of its proper divisors (116642903739).

16213363600261 is a wasteful number, since it uses less digits than its factorization.

16213363600261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116642903738.

The product of its (nonzero) digits is 139968, while the sum is 40.

The spelling of 16213363600261 in words is "sixteen trillion, two hundred thirteen billion, three hundred sixty-three million, six hundred thousand, two hundred sixty-one".