66737040370404 has 48 divisors (see below), whose sum is σ = 160780513259520. Its totient is φ = 21523050623520.

The previous prime is 66737040370387. The next prime is 66737040370417. The reversal of 66737040370404 is 40407304073766.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19350064 + ... + 22536615.

It is an arithmetic number, because the mean of its divisors is an integer number (3349594026240).

Almost surely, 2^{66737040370404} is an apocalyptic number.

It is an amenable number.

66737040370404 is an abundant number, since it is smaller than the sum of its proper divisors (94043472889116).

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

66737040370404 is a wasteful number, since it uses less digits than its factorization.

66737040370404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41891000 (or 41890998 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 51.

The spelling of 66737040370404 in words is "sixty-six trillion, seven hundred thirty-seven billion, forty million, three hundred seventy thousand, four hundred four".