65948811 has 16 divisors (see below), whose sum is σ = 91315200. Its totient is φ = 42291360.

The previous prime is 65948803. The next prime is 65948851. The reversal of 65948811 is 11884956.

It is not a de Polignac number, because 65948811 - 2³ = 65948803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65948851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14040 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (5707200).

Almost surely, 2^65948811 is an apocalyptic number.

65948811 is a deficient number, since it is larger than the sum of its proper divisors (25366389).

65948811 is a wasteful number, since it uses less digits than its factorization.

65948811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306.

The product of its digits is 69120, while the sum is 42.

The square root of 65948811 is about 8120.8873283650. The cubic root of 65948811 is about 404.0194967391.

The spelling of 65948811 in words is "sixty-five million, nine hundred forty-eight thousand, eight hundred eleven".