68543016 has 32 divisors (see below), whose sum is σ = 174170400. Its totient is φ = 22472640.

The previous prime is 68543011. The next prime is 68543017. The reversal of 68543016 is 61034586.

It is not an unprimeable number, because it can be changed into a prime (68543011) 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, 21946 + ... + 24873.

It is an arithmetic number, because the mean of its divisors is an integer number (5442825).

Almost surely, 2^68543016 is an apocalyptic number.

It is an amenable number.

68543016 is an abundant number, since it is smaller than the sum of its proper divisors (105627384).

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

68543016 is a wasteful number, since it uses less digits than its factorization.

68543016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46889 (or 46885 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 68543016 is about 8279.0709623725. The cubic root of 68543016 is about 409.2491034966.

It can be divided in two parts, 6854 and 3016, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 68543016 in words is "sixty-eight million, five hundred forty-three thousand, sixteen".