66234126785468 has 6 divisors (see below), whose sum is σ = 115909721874576. Its totient is φ = 33117063392732.

The previous prime is 66234126785447. The next prime is 66234126785587. The reversal of 66234126785468 is 86458762143266.

It is a junction number, because it is equal to n+sod(n) for n = 66234126785398 and 66234126785407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8279265848180 + ... + 8279265848187.

It is an arithmetic number, because the mean of its divisors is an integer number (19318286979096).

Almost surely, 2^{66234126785468} is an apocalyptic number.

It is an amenable number.

66234126785468 is a deficient number, since it is larger than the sum of its proper divisors (49675595089108).

66234126785468 is a wasteful number, since it uses less digits than its factorization.

66234126785468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16558531696371 (or 16558531696369 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 68.

The spelling of 66234126785468 in words is "sixty-six trillion, two hundred thirty-four billion, one hundred twenty-six million, seven hundred eighty-five thousand, four hundred sixty-eight".