66736740070036 has 24 divisors (see below), whose sum is σ = 120503804432256. Its totient is φ = 32321720121600.

The previous prime is 66736740070009. The next prime is 66736740070051. The reversal of 66736740070036 is 63007004763766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829789290 + ... + 1829825761.

It is an arithmetic number, because the mean of its divisors is an integer number (5020991851344).

Almost surely, 2^{66736740070036} is an apocalyptic number.

It is an amenable number.

66736740070036 is a deficient number, since it is larger than the sum of its proper divisors (53767064362220).

66736740070036 is a wasteful number, since it uses less digits than its factorization.

66736740070036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659615199 (or 3659615197 counting only the distinct ones).

The product of its (nonzero) digits is 16003008, while the sum is 55.

The spelling of 66736740070036 in words is "sixty-six trillion, seven hundred thirty-six billion, seven hundred forty million, seventy thousand, thirty-six".