66359137 has 16 divisors (see below), whose sum is σ = 72777600. Its totient is φ = 60141312.

The previous prime is 66359123. The next prime is 66359147. The reversal of 66359137 is 73195366.

It is a de Polignac number, because none of the positive numbers 2^k-66359137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66359137.

It is not an unprimeable number, because it can be changed into a prime (66359147) 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, 292218 + ... + 292444.

It is an arithmetic number, because the mean of its divisors is an integer number (4548600).

Almost surely, 2^66359137 is an apocalyptic number.

It is an amenable number.

66359137 is a deficient number, since it is larger than the sum of its proper divisors (6418463).

66359137 is a wasteful number, since it uses less digits than its factorization.

66359137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 102060, while the sum is 40.

The square root of 66359137 is about 8146.1117718823. Note that the first 3 decimals coincide. The cubic root of 66359137 is about 404.8556860210.

The spelling of 66359137 in words is "sixty-six million, three hundred fifty-nine thousand, one hundred thirty-seven".