506666642620 has 48 divisors (see below), whose sum is σ = 1080138332448. Its totient is φ = 199600727040.

The previous prime is 506666642563. The next prime is 506666642659. The reversal of 506666642620 is 26246666605.

It is a super-3 number, since 3×506666642620³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757752 + ... + 1259968.

It is an arithmetic number, because the mean of its divisors is an integer number (22502881926).

Almost surely, 2^506666642620 is an apocalyptic number.

It is an amenable number.

506666642620 is an abundant number, since it is smaller than the sum of its proper divisors (573471689828).

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

506666642620 is a wasteful number, since it uses less digits than its factorization.

506666642620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502990 (or 502988 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 506666642620 in words is "five hundred six billion, six hundred sixty-six million, six hundred forty-two thousand, six hundred twenty".