66431021114035 has 32 divisors (see below), whose sum is σ = 84668414000832. Its totient is φ = 49863452221440.

The previous prime is 66431021113993. The next prime is 66431021114057. The reversal of 66431021114035 is 53041112013466.

It is not a de Polignac number, because 66431021114035 - 2²¹ = 66431019016883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66431021113985 and 66431021114003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 368281387 + ... + 368461723.

It is an arithmetic number, because the mean of its divisors is an integer number (2645887937526).

Almost surely, 2^{66431021114035} is an apocalyptic number.

66431021114035 is a deficient number, since it is larger than the sum of its proper divisors (18237392886797).

66431021114035 is a wasteful number, since it uses less digits than its factorization.

66431021114035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193783.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 66431021114035 in words is "sixty-six trillion, four hundred thirty-one billion, twenty-one million, one hundred fourteen thousand, thirty-five".