65947702148 has 12 divisors (see below), whose sum is σ = 121482609360. Its totient is φ = 31238385192.

The previous prime is 65947702147. The next prime is 65947702157. The reversal of 65947702148 is 84120774956.

It is a self number, because there is not a number n which added to its sum of digits gives 65947702148.

It is not an unprimeable number, because it can be changed into a prime (65947702147) 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 in 3 ways as a sum of consecutive naturals, for example, 433866386 + ... + 433866537.

It is an arithmetic number, because the mean of its divisors is an integer number (10123550780).

Almost surely, 2^65947702148 is an apocalyptic number.

It is an amenable number.

65947702148 is a deficient number, since it is larger than the sum of its proper divisors (55534907212).

65947702148 is a wasteful number, since it uses less digits than its factorization.

65947702148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867732946 (or 867732944 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 65947702148 in words is "sixty-five billion, nine hundred forty-seven million, seven hundred two thousand, one hundred forty-eight".