667070676434 has 8 divisors (see below), whose sum is σ = 1019485373580. Its totient is φ = 327242218576.

The previous prime is 667070676431. The next prime is 667070676443. The reversal of 667070676434 is 434676070766.

It can be written as a sum of positive squares in 2 ways, for example, as 654728577409 + 12342099025 = 809153^2 + 111095^2 .

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

It is a super-2 number, since 2×667070676434² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 667070676434.

It is not an unprimeable number, because it can be changed into a prime (667070676431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3146559689 + ... + 3146559900.

Almost surely, 2^667070676434 is an apocalyptic number.

667070676434 is a deficient number, since it is larger than the sum of its proper divisors (352414697146).

667070676434 is a wasteful number, since it uses less digits than its factorization.

667070676434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293119644.

The product of its (nonzero) digits is 21337344, while the sum is 56.

The spelling of 667070676434 in words is "six hundred sixty-seven billion, seventy million, six hundred seventy-six thousand, four hundred thirty-four".