66312350 has 24 divisors (see below), whose sum is σ = 132830040. Its totient is φ = 24484320.

The previous prime is 66312349. The next prime is 66312371. The reversal of 66312350 is 5321366.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50360 + ... + 51659.

It is an arithmetic number, because the mean of its divisors is an integer number (5534585).

Almost surely, 2^66312350 is an apocalyptic number.

66312350 is an abundant number, since it is smaller than the sum of its proper divisors (66517690).

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

66312350 is a wasteful number, since it uses less digits than its factorization.

66312350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102044 (or 102039 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 66312350 is about 8143.2395273626. The cubic root of 66312350 is about 404.7605148192.

The spelling of 66312350 in words is "sixty-six million, three hundred twelve thousand, three hundred fifty".