67605144616 has 8 divisors (see below), whose sum is σ = 126759646170. Its totient is φ = 33802572304.

The previous prime is 67605144611. The next prime is 67605144617. The reversal of 67605144616 is 61644150676.

67605144616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55559204100 + 12045940516 = 235710^2 + 109754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67605144611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4225321531 + ... + 4225321546.

Almost surely, 2^67605144616 is an apocalyptic number.

It is an amenable number.

67605144616 is a deficient number, since it is larger than the sum of its proper divisors (59154501554).

67605144616 is a wasteful number, since it uses less digits than its factorization.

67605144616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8450643083 (or 8450643079 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 67605144616 in words is "sixty-seven billion, six hundred five million, one hundred forty-four thousand, six hundred sixteen".