252466420566 has 64 divisors (see below), whose sum is σ = 516020544000. Its totient is φ = 82322612736.

The previous prime is 252466420559. The next prime is 252466420571. The reversal of 252466420566 is 665024664252.

It is a super-3 number, since 3×252466420566³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71457736 + ... + 71461268.

It is an arithmetic number, because the mean of its divisors is an integer number (8062821000).

Almost surely, 2^252466420566 is an apocalyptic number.

252466420566 is an abundant number, since it is smaller than the sum of its proper divisors (263554123434).

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

252466420566 is a wasteful number, since it uses less digits than its factorization.

252466420566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533.

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 252466420566 in words is "two hundred fifty-two billion, four hundred sixty-six million, four hundred twenty thousand, five hundred sixty-six".