66060626 has 8 divisors (see below), whose sum is σ = 99516924. Its totient is φ = 32888320.

The previous prime is 66060611. The next prime is 66060629. The reversal of 66060626 is 62606066.

It can be written as a sum of positive squares in 2 ways, for example, as 59274601 + 6786025 = 7699^2 + 2605^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 66060592 and 66060601.

It is not an unprimeable number, because it can be changed into a prime (66060629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70415 + ... + 71346.

Almost surely, 2^66060626 is an apocalyptic number.

66060626 is a deficient number, since it is larger than the sum of its proper divisors (33456298).

66060626 is a wasteful number, since it uses less digits than its factorization.

66060626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141996.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 66060626 is about 8127.7688205313. The cubic root of 66060626 is about 404.2477036973.

The spelling of 66060626 in words is "sixty-six million, sixty thousand, six hundred twenty-six".