506661610 has 128 divisors (see below), whose sum is σ = 1181537280. Its totient is φ = 152119296.

The previous prime is 506661599. The next prime is 506661629. The reversal of 506661610 is 16166605.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1926339 + ... + 1926601.

It is an arithmetic number, because the mean of its divisors is an integer number (9230760).

Almost surely, 2^506661610 is an apocalyptic number.

506661610 is an abundant number, since it is smaller than the sum of its proper divisors (674875670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506661610 is a wasteful number, since it uses less digits than its factorization.

506661610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 506661610 is about 22509.1450304093. The cubic root of 506661610 is about 797.2098688145.

The spelling of 506661610 in words is "five hundred six million, six hundred sixty-one thousand, six hundred ten".