67016710561 has 8 divisors (see below), whose sum is σ = 68299640640. Its totient is φ = 65734464432.

The previous prime is 67016710513. The next prime is 67016710577. The reversal of 67016710561 is 16501761076.

67016710561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 67016710561 - 2²¹ = 67014613409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67016716561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29076 + ... + 367258.

It is an arithmetic number, because the mean of its divisors is an integer number (8537455080).

Almost surely, 2^67016710561 is an apocalyptic number.

It is an amenable number.

67016710561 is a deficient number, since it is larger than the sum of its proper divisors (1282930079).

67016710561 is a wasteful number, since it uses less digits than its factorization.

67016710561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341975.

The product of its (nonzero) digits is 52920, while the sum is 40.

The spelling of 67016710561 in words is "sixty-seven billion, sixteen million, seven hundred ten thousand, five hundred sixty-one".