66341376 has 80 divisors (see below), whose sum is σ = 196416000. Its totient is φ = 22109184.

The previous prime is 66341351. The next prime is 66341419. The reversal of 66341376 is 67314366.

It is a happy number.

66341376 is a `hidden beast` number, since 6 + 634 + 13 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 66341376.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11425 + ... + 16223.

It is an arithmetic number, because the mean of its divisors is an integer number (2455200).

Almost surely, 2^66341376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 66341376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98208000).

66341376 is an abundant number, since it is smaller than the sum of its proper divisors (130074624).

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

66341376 is an equidigital number, since it uses as much as digits as its factorization.

66341376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4826 (or 4804 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 66341376 is about 8145.0215469328. The cubic root of 66341376 is about 404.8195629700.

The spelling of 66341376 in words is "sixty-six million, three hundred forty-one thousand, three hundred seventy-six".