65042163 has 8 divisors (see below), whose sum is σ = 96358800. Its totient is φ = 43361424.

The previous prime is 65042143. The next prime is 65042167. The reversal of 65042163 is 36124056.

65042163 is a `hidden beast` number, since 650 + 4 + 2 + 1 + 6 + 3 = 666.

It is not a de Polignac number, because 65042163 - 2¹² = 65038067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2408969 = 65042163 / (6 + 5 + 0 + 4 + 2 + 1 + 6 + 3).

It is not an unprimeable number, because it can be changed into a prime (65042167) 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, 1204458 + ... + 1204511.

It is an arithmetic number, because the mean of its divisors is an integer number (12044850).

Almost surely, 2^65042163 is an apocalyptic number.

65042163 is a deficient number, since it is larger than the sum of its proper divisors (31316637).

65042163 is a wasteful number, since it uses less digits than its factorization.

65042163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408978 (or 2408972 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 65042163 is about 8064.8721626570. The cubic root of 65042163 is about 402.1594934068.

The spelling of 65042163 in words is "sixty-five million, forty-two thousand, one hundred sixty-three".