667231535226 has 16 divisors (see below), whose sum is σ = 1334552828544. Its totient is φ = 222395552064.

The previous prime is 667231535209. The next prime is 667231535233. The reversal of 667231535226 is 622535132766.

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, 3643090 + ... + 3821853.

It is an arithmetic number, because the mean of its divisors is an integer number (83409551784).

Almost surely, 2^667231535226 is an apocalyptic number.

667231535226 is an abundant number, since it is smaller than the sum of its proper divisors (667321293318).

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

667231535226 is a wasteful number, since it uses less digits than its factorization.

667231535226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479845.

The product of its digits is 2721600, while the sum is 48.

The spelling of 667231535226 in words is "six hundred sixty-seven billion, two hundred thirty-one million, five hundred thirty-five thousand, two hundred twenty-six".