66403460105542 has 16 divisors (see below), whose sum is σ = 117759830729760. Its totient is φ = 27477293836608.

The previous prime is 66403460105539. The next prime is 66403460105603. The reversal of 66403460105542 is 24550106430466.

It is a super-2 number, since 2×66403460105542² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 66403460105492 and 66403460105501.

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, 81777659823 + ... + 81777660634.

It is an arithmetic number, because the mean of its divisors is an integer number (7359989420610).

Almost surely, 2^{66403460105542} is an apocalyptic number.

66403460105542 is a deficient number, since it is larger than the sum of its proper divisors (51356370624218).

66403460105542 is a wasteful number, since it uses less digits than its factorization.

66403460105542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163555320495.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 66403460105542 in words is "sixty-six trillion, four hundred three billion, four hundred sixty million, one hundred five thousand, five hundred forty-two".