67857750416 has 10 divisors (see below), whose sum is σ = 131474391462. Its totient is φ = 33928875200.

The previous prime is 67857750407. The next prime is 67857750419. The reversal of 67857750416 is 61405775876.

It can be written as a sum of positive squares in only one way, i.e., 34821052816 + 33036697600 = 186604^2 + 181760^2 .

It is not an unprimeable number, because it can be changed into a prime (67857750419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120554685 + ... + 2120554716.

Almost surely, 2^67857750416 is an apocalyptic number.

It is an amenable number.

67857750416 is a deficient number, since it is larger than the sum of its proper divisors (63616641046).

67857750416 is a wasteful number, since it uses less digits than its factorization.

67857750416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4241109409 (or 4241109403 counting only the distinct ones).

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 67857750416 in words is "sixty-seven billion, eight hundred fifty-seven million, seven hundred fifty thousand, four hundred sixteen".