667212256076 has 24 divisors (see below), whose sum is σ = 1191612159360. Its totient is φ = 326772381312.

The previous prime is 667212256069. The next prime is 667212256079. The reversal of 667212256076 is 670652212766.

It is a happy number.

667212256076 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (667212256079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2463761 + ... + 2721128.

It is an arithmetic number, because the mean of its divisors is an integer number (49650506640).

Almost surely, 2^667212256076 is an apocalyptic number.

It is an amenable number.

667212256076 is a deficient number, since it is larger than the sum of its proper divisors (524399903284).

667212256076 is a wasteful number, since it uses less digits than its factorization.

667212256076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5185553 (or 5185551 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 667212256076 in words is "six hundred sixty-seven billion, two hundred twelve million, two hundred fifty-six thousand, seventy-six".