66156348 has 12 divisors (see below), whose sum is σ = 154364840. Its totient is φ = 22052112.

The previous prime is 66156289. The next prime is 66156353. The reversal of 66156348 is 84365166.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2756503 + ... + 2756526.

Almost surely, 2^66156348 is an apocalyptic number.

It is an amenable number.

66156348 is an abundant number, since it is smaller than the sum of its proper divisors (88208492).

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

66156348 is a wasteful number, since it uses less digits than its factorization.

66156348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513036 (or 5513034 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 66156348 is about 8133.6552668527. The cubic root of 66156348 is about 404.4428614191.

The spelling of 66156348 in words is "sixty-six million, one hundred fifty-six thousand, three hundred forty-eight".