66125741 has 8 divisors (see below), whose sum is σ = 72261504. Its totient is φ = 60010720.

The previous prime is 66125707. The next prime is 66125749. The reversal of 66125741 is 14752166.

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

It is a de Polignac number, because none of the positive numbers 2^k-66125741 is a prime.

It is a super-2 number, since 2×66125741² = 8745227245598162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66125698 and 66125707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66125749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916 + ... + 11658.

It is an arithmetic number, because the mean of its divisors is an integer number (9032688).

Almost surely, 2^66125741 is an apocalyptic number.

It is an amenable number.

66125741 is a deficient number, since it is larger than the sum of its proper divisors (6135763).

66125741 is a wasteful number, since it uses less digits than its factorization.

66125741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10371.

The product of its digits is 10080, while the sum is 32.

The square root of 66125741 is about 8131.7735457894. The cubic root of 66125741 is about 404.3804804457.

It can be divided in two parts, 66125 and 741, that added together give a palindrome (66866).

The spelling of 66125741 in words is "sixty-six million, one hundred twenty-five thousand, seven hundred forty-one".