66295446 has 32 divisors (see below), whose sum is σ = 159509760. Its totient is φ = 17944416.

The previous prime is 66295441. The next prime is 66295451. The reversal of 66295446 is 64459266.

It is an interprime number because it is at equal distance from previous prime (66295441) and next prime (66295451).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 66295398 and 66295407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66295441) 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, 40741 + ... + 42336.

It is an arithmetic number, because the mean of its divisors is an integer number (4984680).

Almost surely, 2^66295446 is an apocalyptic number.

66295446 is an abundant number, since it is smaller than the sum of its proper divisors (93214314).

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

66295446 is a wasteful number, since it uses less digits than its factorization.

66295446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83108.

The product of its digits is 311040, while the sum is 42.

The square root of 66295446 is about 8142.2015450368. The cubic root of 66295446 is about 404.7261187466.

The spelling of 66295446 in words is "sixty-six million, two hundred ninety-five thousand, four hundred forty-six".