221533664413307 has 8 divisors (see below), whose sum is σ = 222173497072800. Its totient is φ = 220893860701440.

The previous prime is 221533664413279. The next prime is 221533664413339. The reversal of 221533664413307 is 703314466335122.

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

It is a cyclic number.

It is not a de Polignac number, because 221533664413307 - 2⁴⁴ = 203941478368891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221533664413357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8138123 + ... + 22567595.

It is an arithmetic number, because the mean of its divisors is an integer number (27771687134100).

Almost surely, 2^{221533664413307} is an apocalyptic number.

221533664413307 is a deficient number, since it is larger than the sum of its proper divisors (639832659493).

221533664413307 is a wasteful number, since it uses less digits than its factorization.

221533664413307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14473813.

The product of its (nonzero) digits is 6531840, while the sum is 50.

The spelling of 221533664413307 in words is "two hundred twenty-one trillion, five hundred thirty-three billion, six hundred sixty-four million, four hundred thirteen thousand, three hundred seven".