506661110535465 has 192 divisors, whose sum is σ = 934479699229440. Its totient is φ = 253562264524800.

The previous prime is 506661110535457. The next prime is 506661110535527. The reversal of 506661110535465 is 564535011166605.

It is not a de Polignac number, because 506661110535465 - 2³ = 506661110535457 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2499053239 + ... + 2499255971.

It is an arithmetic number, because the mean of its divisors is an integer number (4867081766820).

Almost surely, 2^{506661110535465} is an apocalyptic number.

It is an amenable number.

506661110535465 is a deficient number, since it is larger than the sum of its proper divisors (427818588693975).

506661110535465 is a wasteful number, since it uses less digits than its factorization.

506661110535465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203224 (or 203221 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 54.

The spelling of 506661110535465 in words is "five hundred six trillion, six hundred sixty-one billion, one hundred ten million, five hundred thirty-five thousand, four hundred sixty-five".