662067331 has 8 divisors (see below), whose sum is σ = 697856000. Its totient is φ = 626373000.

The previous prime is 662067323. The next prime is 662067349. The reversal of 662067331 is 133760266.

662067331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 662067331 - 2³ = 662067323 is a prime.

It is a super-2 number, since 2×662067331² = 876666301554927122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662061331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8931 + ... + 37468.

It is an arithmetic number, because the mean of its divisors is an integer number (87232000).

Almost surely, 2^662067331 is an apocalyptic number.

662067331 is a deficient number, since it is larger than the sum of its proper divisors (35788669).

662067331 is a wasteful number, since it uses less digits than its factorization.

662067331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47169.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 662067331 is about 25730.6690740836. The cubic root of 662067331 is about 871.5668821468.

It can be divided in two parts, 66206 and 7331, that added together give a palindrome (73537).

The spelling of 662067331 in words is "six hundred sixty-two million, sixty-seven thousand, three hundred thirty-one".