434116405555666 has 32 divisors (see below), whose sum is σ = 666369380018160. Its totient is φ = 212029217197824.

The previous prime is 434116405555663. The next prime is 434116405555709. The reversal of 434116405555666 is 666555504611434.

It can be written as a sum of positive squares in 8 ways, for example, as 291874502392225 + 142241903163441 = 17084335^2 + 11926521^2 .

It is not an unprimeable number, because it can be changed into a prime (434116405555663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1964457156 + ... + 1964678128.

Almost surely, 2^{434116405555666} is an apocalyptic number.

434116405555666 is a deficient number, since it is larger than the sum of its proper divisors (232252974462494).

434116405555666 is a wasteful number, since it uses less digits than its factorization.

434116405555666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302190.

The product of its (nonzero) digits is 155520000, while the sum is 61.

The spelling of 434116405555666 in words is "four hundred thirty-four trillion, one hundred sixteen billion, four hundred five million, five hundred fifty-five thousand, six hundred sixty-six".