1666666062 has 24 divisors (see below), whose sum is σ = 3654620424. Its totient is φ = 548861424.

The previous prime is 1666666049. The next prime is 1666666063. The reversal of 1666666062 is 2606666661.

It is a junction number, because it is equal to n+sod(n) for n = 1666665999 and 1666666017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1666666063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 556293 + ... + 559280.

It is an arithmetic number, because the mean of its divisors is an integer number (152275851).

Almost surely, 2^1666666062 is an apocalyptic number.

1666666062 is an abundant number, since it is smaller than the sum of its proper divisors (1987954362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1666666062 is a wasteful number, since it uses less digits than its factorization.

1666666062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115664 (or 1115661 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 1666666062 is about 40824.8216407616. The cubic root of 1666666062 is about 1185.6309581143.

It can be divided in two parts, 16666 and 66062, that added together give a palindrome (82728).

The spelling of 1666666062 in words is "one billion, six hundred sixty-six million, six hundred sixty-six thousand, sixty-two".