531161662 has 8 divisors (see below), whose sum is σ = 808634376. Its totient is φ = 261616872.

The previous prime is 531161633. The next prime is 531161723. The reversal of 531161662 is 266161135.

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

It is a super-2 number, since 2×531161662² = 564265422357204488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1981813 + ... + 1982080.

It is an arithmetic number, because the mean of its divisors is an integer number (101079297).

Almost surely, 2^531161662 is an apocalyptic number.

531161662 is a deficient number, since it is larger than the sum of its proper divisors (277472714).

531161662 is a wasteful number, since it uses less digits than its factorization.

531161662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963962.

The product of its digits is 6480, while the sum is 31.

The square root of 531161662 is about 23046.9447432843. The cubic root of 531161662 is about 809.8580567208.

The spelling of 531161662 in words is "five hundred thirty-one million, one hundred sixty-one thousand, six hundred sixty-two".