66226050272 has 48 divisors (see below), whose sum is σ = 141262661232. Its totient is φ = 30440417280.

The previous prime is 66226050269. The next prime is 66226050283. The reversal of 66226050272 is 27205062266.

66226050272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1392179 + ... + 1438962.

It is an arithmetic number, because the mean of its divisors is an integer number (2942972109).

Almost surely, 2^66226050272 is an apocalyptic number.

It is an amenable number.

66226050272 is an abundant number, since it is smaller than the sum of its proper divisors (75036610960).

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

66226050272 is a wasteful number, since it uses less digits than its factorization.

66226050272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831211 (or 2831203 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 66226050272 in words is "sixty-six billion, two hundred twenty-six million, fifty thousand, two hundred seventy-two".