505961670 has 16 divisors (see below), whose sum is σ = 1214308080. Its totient is φ = 134923104.

The previous prime is 505961669. The next prime is 505961699. The reversal of 505961670 is 76169505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432665 + ... + 8432724.

It is an arithmetic number, because the mean of its divisors is an integer number (75894255).

Almost surely, 2^505961670 is an apocalyptic number.

505961670 is an abundant number, since it is smaller than the sum of its proper divisors (708346410).

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

505961670 is a wasteful number, since it uses less digits than its factorization.

505961670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16865399.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 505961670 is about 22493.5917540974. The cubic root of 505961670 is about 796.8425913156.

The spelling of 505961670 in words is "five hundred five million, nine hundred sixty-one thousand, six hundred seventy".