67086644613 has 32 divisors (see below), whose sum is σ = 90709372800. Its totient is φ = 44099784960.

The previous prime is 67086644557. The next prime is 67086644663. The reversal of 67086644613 is 31644668076.

It is not a de Polignac number, because 67086644613 - 2¹⁷ = 67086513541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67086644663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52533931 + ... + 52535207.

It is an arithmetic number, because the mean of its divisors is an integer number (2834667900).

Almost surely, 2^67086644613 is an apocalyptic number.

It is an amenable number.

67086644613 is a deficient number, since it is larger than the sum of its proper divisors (23622728187).

67086644613 is a wasteful number, since it uses less digits than its factorization.

67086644613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 67086644613 in words is "sixty-seven billion, eighty-six million, six hundred forty-four thousand, six hundred thirteen".