331666050 has 48 divisors (see below), whose sum is σ = 838071360. Its totient is φ = 86773440.

The previous prime is 331666037. The next prime is 331666051. The reversal of 331666050 is 50666133.

It is a super-2 number, since 2×331666050² = 220004737445205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 331665999 and 331666017.

It is not an unprimeable number, because it can be changed into a prime (331666051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12910 + ... + 28809.

It is an arithmetic number, because the mean of its divisors is an integer number (17459820).

Almost surely, 2^331666050 is an apocalyptic number.

331666050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

331666050 is an abundant number, since it is smaller than the sum of its proper divisors (506405310).

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

331666050 is a wasteful number, since it uses less digits than its factorization.

331666050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41787 (or 41782 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 331666050 is about 18211.7009090310. The cubic root of 331666050 is about 692.2033118510.

The spelling of 331666050 in words is "three hundred thirty-one million, six hundred sixty-six thousand, fifty".