67542791061 has 8 divisors (see below), whose sum is σ = 91142079840. Its totient is φ = 44486014832.

The previous prime is 67542790993. The next prime is 67542791089. The reversal of 67542791061 is 16019724576.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67542791061 - 2¹⁹ = 67542266773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67542791061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67542791761) 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 7 ways as a sum of consecutive naturals, for example, 135627846 + ... + 135628343.

It is an arithmetic number, because the mean of its divisors is an integer number (11392759980).

Almost surely, 2^67542791061 is an apocalyptic number.

It is an amenable number.

67542791061 is a deficient number, since it is larger than the sum of its proper divisors (23599288779).

67542791061 is a wasteful number, since it uses less digits than its factorization.

67542791061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271256275.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 67542791061 in words is "sixty-seven billion, five hundred forty-two million, seven hundred ninety-one thousand, sixty-one".