66673740370 has 16 divisors (see below), whose sum is σ = 126329192640. Its totient is φ = 25265838384.

The previous prime is 66673740361. The next prime is 66673740373. The reversal of 66673740370 is 7304737666.

It is not an unprimeable number, because it can be changed into a prime (66673740373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175457022 + ... + 175457401.

It is an arithmetic number, because the mean of its divisors is an integer number (7895574540).

Almost surely, 2^66673740370 is an apocalyptic number.

66673740370 is a deficient number, since it is larger than the sum of its proper divisors (59655452270).

66673740370 is a wasteful number, since it uses less digits than its factorization.

66673740370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350914449.

The product of its (nonzero) digits is 2667168, while the sum is 49.

The spelling of 66673740370 in words is "sixty-six billion, six hundred seventy-three million, seven hundred forty thousand, three hundred seventy".