66848355 has 64 divisors (see below), whose sum is σ = 137134080. Its totient is φ = 30264192.

The previous prime is 66848347. The next prime is 66848389. The reversal of 66848355 is 55384866.

It is not a de Polignac number, because 66848355 - 2³ = 66848347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 66848355.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 119737 + ... + 120293.

It is an arithmetic number, because the mean of its divisors is an integer number (2142720).

Almost surely, 2^66848355 is an apocalyptic number.

66848355 is an abundant number, since it is smaller than the sum of its proper divisors (70285725).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66848355 is a wasteful number, since it uses less digits than its factorization.

66848355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705 (or 699 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 66848355 is about 8176.0843317569. The cubic root of 66848355 is about 405.8481539627.

The spelling of 66848355 in words is "sixty-six million, eight hundred forty-eight thousand, three hundred fifty-five".