66677048 has 8 divisors (see below), whose sum is σ = 125019480. Its totient is φ = 33338520.

The previous prime is 66677041. The next prime is 66677057. The reversal of 66677048 is 84077666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66677041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167308 + ... + 4167323.

It is an arithmetic number, because the mean of its divisors is an integer number (15627435).

Almost surely, 2^66677048 is an apocalyptic number.

It is an amenable number.

66677048 is a deficient number, since it is larger than the sum of its proper divisors (58342432).

66677048 is a wasteful number, since it uses less digits than its factorization.

66677048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334637 (or 8334633 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 66677048 is about 8165.6015087684. The cubic root of 66677048 is about 405.5011790679.

The spelling of 66677048 in words is "sixty-six million, six hundred seventy-seven thousand, forty-eight".