66733740337 has 8 divisors (see below), whose sum is σ = 76632046560. Its totient is φ = 57474034560.

The previous prime is 66733740317. The next prime is 66733740349. The reversal of 66733740337 is 73304733766.

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 66733740337 - 2²³ = 66725351729 is a prime.

It is a super-2 number, since 2×66733740337² (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 (66733740317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159649888 + ... + 159650305.

It is an arithmetic number, because the mean of its divisors is an integer number (9579005820).

Almost surely, 2^66733740337 is an apocalyptic number.

It is an amenable number.

66733740337 is a deficient number, since it is larger than the sum of its proper divisors (9898306223).

66733740337 is a wasteful number, since it uses less digits than its factorization.

66733740337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319300223.

The product of its (nonzero) digits is 4000752, while the sum is 49.

The spelling of 66733740337 in words is "sixty-six billion, seven hundred thirty-three million, seven hundred forty thousand, three hundred thirty-seven".