666828126030 has 64 divisors (see below), whose sum is σ = 1745981422848. Its totient is φ = 161645660160.

The previous prime is 666828126023. The next prime is 666828126031. The reversal of 666828126030 is 30621828666.

666828126030 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666828126031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6590382 + ... + 6690798.

It is an arithmetic number, because the mean of its divisors is an integer number (27280959732).

Almost surely, 2^666828126030 is an apocalyptic number.

666828126030 is an abundant number, since it is smaller than the sum of its proper divisors (1079153296818).

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

666828126030 is a wasteful number, since it uses less digits than its factorization.

666828126030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120561.

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 666828126030 in words is "six hundred sixty-six billion, eight hundred twenty-eight million, one hundred twenty-six thousand, thirty".