431165622014066 has 4 divisors (see below), whose sum is σ = 646748433021102. Its totient is φ = 215582811007032.

The previous prime is 431165622014051. The next prime is 431165622014069. The reversal of 431165622014066 is 660410226561134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 397115817895225 + 34049804118841 = 19927765^2 + 5835221^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 431165622014066.

It is not an unprimeable number, because it can be changed into a prime (431165622014069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107791405503515 + ... + 107791405503518.

Almost surely, 2^{431165622014066} is an apocalyptic number.

431165622014066 is a deficient number, since it is larger than the sum of its proper divisors (215582811007036).

431165622014066 is a wasteful number, since it uses less digits than its factorization.

431165622014066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215582811007035.

The product of its (nonzero) digits is 1244160, while the sum is 47.

The spelling of 431165622014066 in words is "four hundred thirty-one trillion, one hundred sixty-five billion, six hundred twenty-two million, fourteen thousand, sixty-six".