5366211451621 has 16 divisors (see below), whose sum is σ = 5472155295360. Its totient is φ = 5261404538880.

The previous prime is 5366211451591. The next prime is 5366211451631. The reversal of 5366211451621 is 1261541126635.

It is a cyclic number.

It is not a de Polignac number, because 5366211451621 - 2⁹ = 5366211451109 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 (5366211451631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10564486 + ... + 11060776.

It is an arithmetic number, because the mean of its divisors is an integer number (342009705960).

Almost surely, 2^{5366211451621} is an apocalyptic number.

It is an amenable number.

5366211451621 is a deficient number, since it is larger than the sum of its proper divisors (105943843739).

5366211451621 is a wasteful number, since it uses less digits than its factorization.

5366211451621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497436.

The product of its digits is 259200, while the sum is 43.

The spelling of 5366211451621 in words is "five trillion, three hundred sixty-six billion, two hundred eleven million, four hundred fifty-one thousand, six hundred twenty-one".