667235325426 has 16 divisors (see below), whose sum is σ = 1336096081728. Its totient is φ = 222140870000.

The previous prime is 667235325389. The next prime is 667235325527. The reversal of 667235325426 is 624523532766.

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, 67720950 + ... + 67730801.

It is an arithmetic number, because the mean of its divisors is an integer number (83506005108).

Almost surely, 2^667235325426 is an apocalyptic number.

667235325426 is an abundant number, since it is smaller than the sum of its proper divisors (668860756302).

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

667235325426 is a wasteful number, since it uses less digits than its factorization.

667235325426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135452577.

The product of its digits is 10886400, while the sum is 51.

The spelling of 667235325426 in words is "six hundred sixty-seven billion, two hundred thirty-five million, three hundred twenty-five thousand, four hundred twenty-six".