1542435245666 has 16 divisors (see below), whose sum is σ = 2644529475456. Its totient is φ = 660954984576.

The previous prime is 1542435245653. The next prime is 1542435245669. The reversal of 1542435245666 is 6665425342451.

It is not an unprimeable number, because it can be changed into a prime (1542435245669) 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 7 ways as a sum of consecutive naturals, for example, 7282886 + ... + 7491681.

It is an arithmetic number, because the mean of its divisors is an integer number (165283092216).

Almost surely, 2^{1542435245666} is an apocalyptic number.

1542435245666 is a deficient number, since it is larger than the sum of its proper divisors (1102094229790).

1542435245666 is a wasteful number, since it uses less digits than its factorization.

1542435245666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14782033.

The product of its digits is 20736000, while the sum is 53.

The spelling of 1542435245666 in words is "one trillion, five hundred forty-two billion, four hundred thirty-five million, two hundred forty-five thousand, six hundred sixty-six".