6220662521261 has 8 divisors (see below), whose sum is σ = 6252334238304. Its totient is φ = 6188991761680.

The previous prime is 6220662521257. The next prime is 6220662521273. The reversal of 6220662521261 is 1621252660226.

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 6220662521261 - 2² = 6220662521257 is a prime.

It is a super-2 number, since 2×6220662521261² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220662529261) 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, 15371726 + ... + 15771216.

It is an arithmetic number, because the mean of its divisors is an integer number (781541779788).

Almost surely, 2^{6220662521261} is an apocalyptic number.

It is an amenable number.

6220662521261 is a deficient number, since it is larger than the sum of its proper divisors (31671717043).

6220662521261 is a wasteful number, since it uses less digits than its factorization.

6220662521261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478731.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 6220662521261 in words is "six trillion, two hundred twenty billion, six hundred sixty-two million, five hundred twenty-one thousand, two hundred sixty-one".