66202424 has 8 divisors (see below), whose sum is σ = 124129560. Its totient is φ = 33101208.

The previous prime is 66202421. The next prime is 66202427. The reversal of 66202424 is 42420266.

It is an interprime number because it is at equal distance from previous prime (66202421) and next prime (66202427).

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 66202393 and 66202402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66202421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4137644 + ... + 4137659.

It is an arithmetic number, because the mean of its divisors is an integer number (15516195).

Almost surely, 2^66202424 is an apocalyptic number.

It is an amenable number.

66202424 is a deficient number, since it is larger than the sum of its proper divisors (57927136).

66202424 is a wasteful number, since it uses less digits than its factorization.

66202424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8275309 (or 8275305 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 66202424 is about 8136.4872027184. The cubic root of 66202424 is about 404.5367339158.

The spelling of 66202424 in words is "sixty-six million, two hundred two thousand, four hundred twenty-four".