67486647016 has 8 divisors (see below), whose sum is σ = 126537463170. Its totient is φ = 33743323504.

The previous prime is 67486646977. The next prime is 67486647047. The reversal of 67486647016 is 61074668476.

It can be written as a sum of positive squares in only one way, i.e., 52418102500 + 15068544516 = 228950^2 + 122754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217915431 + ... + 4217915446.

Almost surely, 2^67486647016 is an apocalyptic number.

It is an amenable number.

67486647016 is a deficient number, since it is larger than the sum of its proper divisors (59050816154).

67486647016 is a wasteful number, since it uses less digits than its factorization.

67486647016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8435830883 (or 8435830879 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 55.

The spelling of 67486647016 in words is "sixty-seven billion, four hundred eighty-six million, six hundred forty-seven thousand, sixteen".