66737000040404 has 6 divisors (see below), whose sum is σ = 116789750070714. Its totient is φ = 33368500020200.

The previous prime is 66737000040397. The next prime is 66737000040421. The reversal of 66737000040404 is 40404000073766.

It can be written as a sum of positive squares in only one way, i.e., 36823779427600 + 29913220612804 = 6068260^2 + 5469298^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8342125005047 + ... + 8342125005054.

It is an arithmetic number, because the mean of its divisors is an integer number (19464958345119).

Almost surely, 2^{66737000040404} is an apocalyptic number.

It is an amenable number.

66737000040404 is a deficient number, since it is larger than the sum of its proper divisors (50052750030310).

66737000040404 is a wasteful number, since it uses less digits than its factorization.

66737000040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16684250010105 (or 16684250010103 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 41.

The spelling of 66737000040404 in words is "sixty-six trillion, seven hundred thirty-seven billion, forty thousand, four hundred four".