67591496401 has 16 divisors (see below), whose sum is σ = 83587573440. Its totient is φ = 53734864320.

The previous prime is 67591496387. The next prime is 67591496407. The reversal of 67591496401 is 10469419576.

It is a cyclic number.

It is not a de Polignac number, because 67591496401 - 2⁵ = 67591496369 is a prime.

It is a super-3 number, since 3×67591496401³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67591496407) 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 15 ways as a sum of consecutive naturals, for example, 12435910 + ... + 12441343.

It is an arithmetic number, because the mean of its divisors is an integer number (5224223340).

Almost surely, 2^67591496401 is an apocalyptic number.

It is an amenable number.

67591496401 is a deficient number, since it is larger than the sum of its proper divisors (15996077039).

67591496401 is a wasteful number, since it uses less digits than its factorization.

67591496401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24877296.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 67591496401 in words is "sixty-seven billion, five hundred ninety-one million, four hundred ninety-six thousand, four hundred one".