67928163340 has 24 divisors (see below), whose sum is σ = 147568080240. Its totient is φ = 26234324928.

The previous prime is 67928163319. The next prime is 67928163343. The reversal of 67928163340 is 4336182976.

It is a super-2 number, since 2×67928163340² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67928163343) 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, 58558182 + ... + 58559341.

It is an arithmetic number, because the mean of its divisors is an integer number (6148670010).

Almost surely, 2^67928163340 is an apocalyptic number.

It is an amenable number.

67928163340 is an abundant number, since it is smaller than the sum of its proper divisors (79639916900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67928163340 is a wasteful number, since it uses less digits than its factorization.

67928163340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117117561 (or 117117559 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 67928163340 in words is "sixty-seven billion, nine hundred twenty-eight million, one hundred sixty-three thousand, three hundred forty".