67534561653 has 16 divisors (see below), whose sum is σ = 97003501056. Its totient is φ = 41546531520.

The previous prime is 67534561637. The next prime is 67534561667. The reversal of 67534561653 is 35616543576.

It is not a de Polignac number, because 67534561653 - 2⁴ = 67534561637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 67534561596 and 67534561605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67534561673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149878 + ... + 396903.

It is an arithmetic number, because the mean of its divisors is an integer number (6062718816).

Almost surely, 2^67534561653 is an apocalyptic number.

It is an amenable number.

67534561653 is a deficient number, since it is larger than the sum of its proper divisors (29468939403).

67534561653 is a wasteful number, since it uses less digits than its factorization.

67534561653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549964.

The product of its digits is 6804000, while the sum is 51.

The spelling of 67534561653 in words is "sixty-seven billion, five hundred thirty-four million, five hundred sixty-one thousand, six hundred fifty-three".