420134367566 has 8 divisors (see below), whose sum is σ = 632071586640. Its totient is φ = 209443838688.

The previous prime is 420134367539. The next prime is 420134367637. The reversal of 420134367566 is 665763431024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 420134367566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311671706 + ... + 311673053.

It is an arithmetic number, because the mean of its divisors is an integer number (79008948330).

Almost surely, 2^420134367566 is an apocalyptic number.

420134367566 is a deficient number, since it is larger than the sum of its proper divisors (211937219074).

420134367566 is a wasteful number, since it uses less digits than its factorization.

420134367566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623345098.

The product of its (nonzero) digits is 2177280, while the sum is 47.

The spelling of 420134367566 in words is "four hundred twenty billion, one hundred thirty-four million, three hundred sixty-seven thousand, five hundred sixty-six".