66253026 has 16 divisors (see below), whose sum is σ = 151435584. Its totient is φ = 18929424.

The previous prime is 66253013. The next prime is 66253027. The reversal of 66253026 is 62035266.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66252984 and 66253002.

It is not an unprimeable number, because it can be changed into a prime (66253027) 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, 788685 + ... + 788768.

It is an arithmetic number, because the mean of its divisors is an integer number (9464724).

Almost surely, 2^66253026 is an apocalyptic number.

66253026 is an abundant number, since it is smaller than the sum of its proper divisors (85182558).

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

66253026 is a wasteful number, since it uses less digits than its factorization.

66253026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577465.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 66253026 is about 8139.5961816297. The cubic root of 66253026 is about 404.6397772450.

The spelling of 66253026 in words is "sixty-six million, two hundred fifty-three thousand, twenty-six".