60066621 has 6 divisors (see below), whose sum is σ = 86762910. Its totient is φ = 40044408.

The previous prime is 60066563. The next prime is 60066631. The reversal of 60066621 is 12666006.

It can be written as a sum of positive squares in only one way, i.e., 59444100 + 622521 = 7710^2 + 789^2 .

It is not a de Polignac number, because 60066621 - 2¹³ = 60058429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60066631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3337026 + ... + 3337043.

It is an arithmetic number, because the mean of its divisors is an integer number (14460485).

Almost surely, 2^60066621 is an apocalyptic number.

It is an amenable number.

60066621 is a deficient number, since it is larger than the sum of its proper divisors (26696289).

60066621 is a wasteful number, since it uses less digits than its factorization.

60066621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6674075 (or 6674072 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 60066621 is about 7750.2658664074. The cubic root of 60066621 is about 391.6316062978.

The spelling of 60066621 in words is "sixty million, sixty-six thousand, six hundred twenty-one".