66802147342 has 16 divisors (see below), whose sum is σ = 114879229920. Its totient is φ = 28539175968.

The previous prime is 66802147339. The next prime is 66802147351. The reversal of 66802147342 is 24374120866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7521717 + ... + 7530592.

It is an arithmetic number, because the mean of its divisors is an integer number (7179951870).

Almost surely, 2^66802147342 is an apocalyptic number.

66802147342 is a deficient number, since it is larger than the sum of its proper divisors (48077082578).

66802147342 is a wasteful number, since it uses less digits than its factorization.

66802147342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15052635.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 66802147342 in words is "sixty-six billion, eight hundred two million, one hundred forty-seven thousand, three hundred forty-two".