66952966 has 8 divisors (see below), whose sum is σ = 101928600. Its totient is φ = 32976768.

The previous prime is 66952927. The next prime is 66952973. The reversal of 66952966 is 66925966.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 249691 + ... + 249958.

It is an arithmetic number, because the mean of its divisors is an integer number (12741075).

Almost surely, 2^66952966 is an apocalyptic number.

66952966 is a deficient number, since it is larger than the sum of its proper divisors (34975634).

66952966 is a wasteful number, since it uses less digits than its factorization.

66952966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499718.

The product of its digits is 1049760, while the sum is 49.

The square root of 66952966 is about 8182.4792086506. The cubic root of 66952966 is about 406.0597475709.

Subtracting from 66952966 its reverse (66925966), we obtain a cube (27000 = 30³).

It can be divided in two parts, 669 and 52966, that added together give a palindrome (53635).

The spelling of 66952966 in words is "sixty-six million, nine hundred fifty-two thousand, nine hundred sixty-six".