501660852 has 48 divisors (see below), whose sum is σ = 1459379712. Its totient is φ = 130301280.

The previous prime is 501660827. The next prime is 501660853. The reversal of 501660852 is 258066105.

It is a super-2 number, since 2×501660852² = 503327220858731808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501660853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270538 + ... + 272385.

It is an arithmetic number, because the mean of its divisors is an integer number (30403744).

Almost surely, 2^501660852 is an apocalyptic number.

It is an amenable number.

501660852 is an abundant number, since it is smaller than the sum of its proper divisors (957718860).

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

501660852 is a wasteful number, since it uses less digits than its factorization.

501660852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542948 (or 542946 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 501660852 is about 22397.7867656606. The cubic root of 501660852 is about 794.5783674612.

The spelling of 501660852 in words is "five hundred one million, six hundred sixty thousand, eight hundred fifty-two".