66737076737 has 8 divisors (see below), whose sum is σ = 72515669760. Its totient is φ = 61185095280.

The previous prime is 66737076727. The next prime is 66737076751. The reversal of 66737076737 is 73767073766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66737076737 - 2⁸ = 66737076481 is a prime.

It is a super-2 number, since 2×66737076737² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66737076727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56652278 + ... + 56653455.

It is an arithmetic number, because the mean of its divisors is an integer number (9064458720).

Almost surely, 2^66737076737 is an apocalyptic number.

It is an amenable number.

66737076737 is a deficient number, since it is larger than the sum of its proper divisors (5778593023).

66737076737 is a wasteful number, since it uses less digits than its factorization.

66737076737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113305783.

The product of its (nonzero) digits is 32672808, while the sum is 59.

The spelling of 66737076737 in words is "sixty-six billion, seven hundred thirty-seven million, seventy-six thousand, seven hundred thirty-seven".