66737000373407 has 16 divisors (see below), whose sum is σ = 82181560419840. Its totient is φ = 52774799661792.

The previous prime is 66737000373349. The next prime is 66737000373431. The reversal of 66737000373407 is 70437300073766.

It is not a de Polignac number, because 66737000373407 - 2¹² = 66737000369311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66737000375407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194978993 + ... + 195320970.

It is an arithmetic number, because the mean of its divisors is an integer number (5136347526240).

Almost surely, 2^{66737000373407} is an apocalyptic number.

66737000373407 is a deficient number, since it is larger than the sum of its proper divisors (15444560046433).

66737000373407 is a wasteful number, since it uses less digits than its factorization.

66737000373407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390301862.

The product of its (nonzero) digits is 9335088, while the sum is 53.

The spelling of 66737000373407 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred seventy-three thousand, four hundred seven".