60664600105021 has 16 divisors (see below), whose sum is σ = 66661154618688. Its totient is φ = 54749078841600.

The previous prime is 60664600105019. The next prime is 60664600105049. The reversal of 60664600105021 is 12050100646606.

60664600105021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 60664600105021 - 2¹ = 60664600105019 is a prime.

It is a super-2 number, since 2×60664600105021² (a number of 28 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 (60664600805021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17622486 + ... + 20781751.

It is an arithmetic number, because the mean of its divisors is an integer number (4166322163668).

Almost surely, 2^{60664600105021} is an apocalyptic number.

It is an amenable number.

60664600105021 is a deficient number, since it is larger than the sum of its proper divisors (5996554513667).

60664600105021 is a wasteful number, since it uses less digits than its factorization.

60664600105021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38405292.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 60664600105021 in words is "sixty trillion, six hundred sixty-four billion, six hundred million, one hundred five thousand, twenty-one".