106682461621 has 2 divisors, whose sum is σ = 106682461622. Its totient is φ = 106682461620.

The previous prime is 106682461609. The next prime is 106682461667. The reversal of 106682461621 is 126164286601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66486622500 + 40195839121 = 257850^2 + 200489^2 .

It is a cyclic number.

It is not a de Polignac number, because 106682461621 - 2²³ = 106674073013 is a prime.

It is a super-2 number, since 2×106682461621² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106682467621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53341230810 + 53341230811.

It is an arithmetic number, because the mean of its divisors is an integer number (53341230811).

Almost surely, 2^106682461621 is an apocalyptic number.

It is an amenable number.

106682461621 is a deficient number, since it is larger than the sum of its proper divisors (1).

106682461621 is an equidigital number, since it uses as much as digits as its factorization.

106682461621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 106682461621 in words is "one hundred six billion, six hundred eighty-two million, four hundred sixty-one thousand, six hundred twenty-one".