65628354628 has 12 divisors (see below), whose sum is σ = 114851777040. Its totient is φ = 32813561192.

The previous prime is 65628354593. The next prime is 65628354643. The reversal of 65628354628 is 82645382656.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154143 + ... + 393721.

It is an arithmetic number, because the mean of its divisors is an integer number (9570981420).

Almost surely, 2^65628354628 is an apocalyptic number.

It is an amenable number.

65628354628 is a deficient number, since it is larger than the sum of its proper divisors (49223422412).

65628354628 is a wasteful number, since it uses less digits than its factorization.

65628354628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308066 (or 308064 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 55.

The spelling of 65628354628 in words is "sixty-five billion, six hundred twenty-eight million, three hundred fifty-four thousand, six hundred twenty-eight".