67591616385601 has 48 divisors (see below), whose sum is σ = 89388671303680. Its totient is φ = 49890426616800.

The previous prime is 67591616385457. The next prime is 67591616385617. The reversal of 67591616385601 is 10658361619576.

It is not a de Polignac number, because 67591616385601 - 2¹³ = 67591616377409 is a prime.

It is a super-2 number, since 2×67591616385601² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67591616385691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128658880 + ... + 129183166.

Almost surely, 2^{67591616385601} is an apocalyptic number.

It is an amenable number.

67591616385601 is a deficient number, since it is larger than the sum of its proper divisors (21797054918079).

67591616385601 is a wasteful number, since it uses less digits than its factorization.

67591616385601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532346 (or 532335 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 67591616385601 in words is "sixty-seven trillion, five hundred ninety-one billion, six hundred sixteen million, three hundred eighty-five thousand, six hundred one".