66950412 has 24 divisors (see below), whose sum is σ = 157737216. Its totient is φ = 22099728.

The previous prime is 66950341. The next prime is 66950423. The reversal of 66950412 is 21405966.

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, 25848 + ... + 28319.

It is an arithmetic number, because the mean of its divisors is an integer number (6572384).

Almost surely, 2^66950412 is an apocalyptic number.

It is an amenable number.

66950412 is an abundant number, since it is smaller than the sum of its proper divisors (90786804).

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

66950412 is a wasteful number, since it uses less digits than its factorization.

66950412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54277 (or 54275 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 66950412 is about 8182.3231419934. The cubic root of 66950412 is about 406.0545842956.

The spelling of 66950412 in words is "sixty-six million, nine hundred fifty thousand, four hundred twelve".