66152486 has 4 divisors (see below), whose sum is σ = 99228732. Its totient is φ = 33076242.

The previous prime is 66152479. The next prime is 66152497. The reversal of 66152486 is 68425166.

66152486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16538120 + ... + 16538123.

It is an arithmetic number, because the mean of its divisors is an integer number (24807183).

Almost surely, 2^66152486 is an apocalyptic number.

66152486 is a deficient number, since it is larger than the sum of its proper divisors (33076246).

66152486 is a wasteful number, since it uses less digits than its factorization.

66152486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33076245.

The product of its digits is 69120, while the sum is 38.

The square root of 66152486 is about 8133.4178547521. The cubic root of 66152486 is about 404.4349912309.

The spelling of 66152486 in words is "sixty-six million, one hundred fifty-two thousand, four hundred eighty-six".