66151842754 has 16 divisors (see below), whose sum is σ = 105423723000. Its totient is φ = 31072253184.

The previous prime is 66151842737. The next prime is 66151842787. The reversal of 66151842754 is 45724815166.

It can be written as a sum of positive squares in 4 ways, for example, as 65934427729 + 217415025 = 256777^2 + 14745^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66151842698 and 66151842707.

It is an unprimeable number.

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, 15410679 + ... + 15414970.

Almost surely, 2^66151842754 is an apocalyptic number.

66151842754 is a deficient number, since it is larger than the sum of its proper divisors (39271880246).

66151842754 is a wasteful number, since it uses less digits than its factorization.

66151842754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30825717.

The product of its digits is 1612800, while the sum is 49.

The spelling of 66151842754 in words is "sixty-six billion, one hundred fifty-one million, eight hundred forty-two thousand, seven hundred fifty-four".