66167682 has 16 divisors (see below), whose sum is σ = 151240512. Its totient is φ = 18905040.

The previous prime is 66167663. The next prime is 66167693. The reversal of 66167682 is 28676166.

It is a happy number.

66167682 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 1575421 = 66167682 / (6 + 6 + 1 + 6 + 7 + 6 + 8 + 2).

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 in 7 ways as a sum of consecutive naturals, for example, 787669 + ... + 787752.

It is an arithmetic number, because the mean of its divisors is an integer number (9452532).

Almost surely, 2^66167682 is an apocalyptic number.

66167682 is an abundant number, since it is smaller than the sum of its proper divisors (85072830).

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

66167682 is a wasteful number, since it uses less digits than its factorization.

66167682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575433.

The product of its digits is 145152, while the sum is 42.

The square root of 66167682 is about 8134.3519717308. The cubic root of 66167682 is about 404.4659566764.

The spelling of 66167682 in words is "sixty-six million, one hundred sixty-seven thousand, six hundred eighty-two".