66737367067 has 6 divisors (see below), whose sum is σ = 77633263788. Its totient is φ = 57203457444.

The previous prime is 66737367031. The next prime is 66737367079. The reversal of 66737367067 is 76076373766.

It is not a de Polignac number, because 66737367067 - 2¹⁹ = 66736842779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66737367667) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680993493 + ... + 680993590.

It is an arithmetic number, because the mean of its divisors is an integer number (12938877298).

Almost surely, 2^66737367067 is an apocalyptic number.

66737367067 is a deficient number, since it is larger than the sum of its proper divisors (10895896721).

66737367067 is a wasteful number, since it uses less digits than its factorization.

66737367067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361987097 (or 1361987090 counting only the distinct ones).

The product of its (nonzero) digits is 28005264, while the sum is 58.

The spelling of 66737367067 in words is "sixty-six billion, seven hundred thirty-seven million, three hundred sixty-seven thousand, sixty-seven".