431635116420166 has 8 divisors (see below), whose sum is σ = 647453529989280. Its totient is φ = 215817273090408.

The previous prime is 431635116420149. The next prime is 431635116420169. The reversal of 431635116420166 is 661024611536134.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431635116420169) 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, 140662446 + ... + 143698273.

It is an arithmetic number, because the mean of its divisors is an integer number (80931691248660).

Almost surely, 2^{431635116420166} is an apocalyptic number.

431635116420166 is a deficient number, since it is larger than the sum of its proper divisors (215818413569114).

431635116420166 is a wasteful number, since it uses less digits than its factorization.

431635116420166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285119678.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 431635116420166 in words is "four hundred thirty-one trillion, six hundred thirty-five billion, one hundred sixteen million, four hundred twenty thousand, one hundred sixty-six".