66562126 has 4 divisors (see below), whose sum is σ = 99843192. Its totient is φ = 33281062.

The previous prime is 66562091. The next prime is 66562129. The reversal of 66562126 is 62126566.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 66562091 and 66562100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66562129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16640530 + ... + 16640533.

It is an arithmetic number, because the mean of its divisors is an integer number (24960798).

Almost surely, 2^66562126 is an apocalyptic number.

66562126 is a deficient number, since it is larger than the sum of its proper divisors (33281066).

66562126 is a wasteful number, since it uses less digits than its factorization.

66562126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33281065.

The product of its digits is 25920, while the sum is 34.

The square root of 66562126 is about 8158.5615153653. The cubic root of 66562126 is about 405.2680763397.

The spelling of 66562126 in words is "sixty-six million, five hundred sixty-two thousand, one hundred twenty-six".