66233661434 has 8 divisors (see below), whose sum is σ = 99355521888. Its totient is φ = 33115154140.

The previous prime is 66233661371. The next prime is 66233661479. The reversal of 66233661434 is 43416633266.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788312 + ... + 868275.

It is an arithmetic number, because the mean of its divisors is an integer number (12419440236).

Almost surely, 2^66233661434 is an apocalyptic number.

66233661434 is a deficient number, since it is larger than the sum of its proper divisors (33121860454).

66233661434 is a wasteful number, since it uses less digits than its factorization.

66233661434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676580.

The product of its digits is 1119744, while the sum is 44.

The spelling of 66233661434 in words is "sixty-six billion, two hundred thirty-three million, six hundred sixty-one thousand, four hundred thirty-four".