68428164 has 48 divisors (see below), whose sum is σ = 182905856. Its totient is φ = 19504800.

The previous prime is 68428123. The next prime is 68428169. The reversal of 68428164 is 46182486.

It is not an unprimeable number, because it can be changed into a prime (68428169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52359 + ... + 53649.

Almost surely, 2^68428164 is an apocalyptic number.

It is an amenable number.

68428164 is an abundant number, since it is smaller than the sum of its proper divisors (114477692).

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

68428164 is a wasteful number, since it uses less digits than its factorization.

68428164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936 (or 1934 counting only the distinct ones).

The product of its digits is 73728, while the sum is 39.

The square root of 68428164 is about 8272.1317687764. The cubic root of 68428164 is about 409.0203938078.

The spelling of 68428164 in words is "sixty-eight million, four hundred twenty-eight thousand, one hundred sixty-four".