667231410242 has 8 divisors (see below), whose sum is σ = 1000870962636. Its totient is φ = 333607756032.

The previous prime is 667231410239. The next prime is 667231410257. The reversal of 667231410242 is 242014132766.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 643638757441 + 23592652801 = 802271^2 + 153599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 667231410196 and 667231410205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3869063 + ... + 4037834.

Almost surely, 2^667231410242 is an apocalyptic number.

667231410242 is a deficient number, since it is larger than the sum of its proper divisors (333639552394).

667231410242 is a wasteful number, since it uses less digits than its factorization.

667231410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7949092.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 667231410242 in words is "six hundred sixty-seven billion, two hundred thirty-one million, four hundred ten thousand, two hundred forty-two".