66737000373734 has 4 divisors (see below), whose sum is σ = 100105500560604. Its totient is φ = 33368500186866.

The previous prime is 66737000373697. The next prime is 66737000373737. The reversal of 66737000373734 is 43737300073766.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 66737000373734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66737000373737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16684250093432 + ... + 16684250093435.

It is an arithmetic number, because the mean of its divisors is an integer number (25026375140151).

Almost surely, 2^{66737000373734} is an apocalyptic number.

66737000373734 is a deficient number, since it is larger than the sum of its proper divisors (33368500186870).

66737000373734 is a wasteful number, since it uses less digits than its factorization.

66737000373734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33368500186869.

The product of its (nonzero) digits is 28005264, while the sum is 56.

The spelling of 66737000373734 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred seventy-three thousand, seven hundred thirty-four".