66336123354 has 16 divisors (see below), whose sum is σ = 132703274592. Its totient is φ = 22106869808.

The previous prime is 66336123323. The next prime is 66336123391. The reversal of 66336123354 is 45332163366.

It is a happy number.

It is a Curzon 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, 1264989 + ... + 1316384.

It is an arithmetic number, because the mean of its divisors is an integer number (8293954662).

Almost surely, 2^66336123354 is an apocalyptic number.

66336123354 is an abundant number, since it is smaller than the sum of its proper divisors (66367151238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66336123354 is a wasteful number, since it uses less digits than its factorization.

66336123354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585661.

The product of its digits is 699840, while the sum is 42.

The spelling of 66336123354 in words is "sixty-six billion, three hundred thirty-six million, one hundred twenty-three thousand, three hundred fifty-four".