67533404961 has 32 divisors (see below), whose sum is σ = 104155977600. Its totient is φ = 38467169280.

The previous prime is 67533404947. The next prime is 67533404971. The reversal of 67533404961 is 16940433576.

It is not a de Polignac number, because 67533404961 - 2¹⁰ = 67533403937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 67533404961.

It is not an unprimeable number, because it can be changed into a prime (67533404941) 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, 312855 + ... + 482643.

It is an arithmetic number, because the mean of its divisors is an integer number (3254874300).

Almost surely, 2^67533404961 is an apocalyptic number.

It is an amenable number.

67533404961 is a deficient number, since it is larger than the sum of its proper divisors (36622572639).

67533404961 is a wasteful number, since it uses less digits than its factorization.

67533404961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170529.

The product of its (nonzero) digits is 1632960, while the sum is 48.

The spelling of 67533404961 in words is "sixty-seven billion, five hundred thirty-three million, four hundred four thousand, nine hundred sixty-one".