66052626 has 16 divisors (see below), whose sum is σ = 139058400. Its totient is φ = 20858688.

The previous prime is 66052621. The next prime is 66052631. The reversal of 66052626 is 62625066.

It is an interprime number because it is at equal distance from previous prime (66052621) and next prime (66052631).

It is not an unprimeable number, because it can be changed into a prime (66052621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289591 + ... + 289818.

It is an arithmetic number, because the mean of its divisors is an integer number (8691150).

Almost surely, 2^66052626 is an apocalyptic number.

66052626 is an abundant number, since it is smaller than the sum of its proper divisors (73005774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66052626 is a wasteful number, since it uses less digits than its factorization.

66052626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579433.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 66052626 is about 8127.2766656488. The cubic root of 66052626 is about 404.2313847875.

The spelling of 66052626 in words is "sixty-six million, fifty-two thousand, six hundred twenty-six".