66955352 has 8 divisors (see below), whose sum is σ = 125541300. Its totient is φ = 33477672.

The previous prime is 66955331. The next prime is 66955379. The reversal of 66955352 is 25355966.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×66955352² = 8966038322887808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4184702 + ... + 4184717.

Almost surely, 2^66955352 is an apocalyptic number.

It is an amenable number.

66955352 is a deficient number, since it is larger than the sum of its proper divisors (58585948).

66955352 is a wasteful number, since it uses less digits than its factorization.

66955352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8369425 (or 8369421 counting only the distinct ones).

The product of its digits is 243000, while the sum is 41.

The square root of 66955352 is about 8182.6250066834. The cubic root of 66955352 is about 406.0645710916.

The spelling of 66955352 in words is "sixty-six million, nine hundred fifty-five thousand, three hundred fifty-two".