66456045131402 has 8 divisors (see below), whose sum is σ = 99694426664736. Its totient is φ = 33224569576492.

The previous prime is 66456045131393. The next prime is 66456045131407. The reversal of 66456045131402 is 20413154065466.

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

It is not an unprimeable number, because it can be changed into a prime (66456045131407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1726470548 + ... + 1726509039.

It is an arithmetic number, because the mean of its divisors is an integer number (12461803333092).

Almost surely, 2^{66456045131402} is an apocalyptic number.

66456045131402 is a deficient number, since it is larger than the sum of its proper divisors (33238381533334).

66456045131402 is a wasteful number, since it uses less digits than its factorization.

66456045131402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3452989212.

The product of its (nonzero) digits is 2073600, while the sum is 47.

Adding to 66456045131402 its reverse (20413154065466), we get a palindrome (86869199196868).

The spelling of 66456045131402 in words is "sixty-six trillion, four hundred fifty-six billion, forty-five million, one hundred thirty-one thousand, four hundred two".