331666062 has 64 divisors (see below), whose sum is σ = 822818304. Its totient is φ = 86785920.

The previous prime is 331666051. The next prime is 331666067. The reversal of 331666062 is 260666133.

It is a happy number.

It is a super-2 number, since 2×331666062² = 220004753365175688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331666067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69208 + ... + 73844.

It is an arithmetic number, because the mean of its divisors is an integer number (12856536).

Almost surely, 2^331666062 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 331666062, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411409152).

331666062 is an abundant number, since it is smaller than the sum of its proper divisors (491152242).

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

331666062 is a wasteful number, since it uses less digits than its factorization.

331666062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 331666062 is about 18211.7012384895. The cubic root of 331666062 is about 692.2033201992.

It can be divided in two parts, 3316 and 66062, that added together give a triangular number (69378 = T₃₇₂).

The spelling of 331666062 in words is "three hundred thirty-one million, six hundred sixty-six thousand, sixty-two".