331166407 has 8 divisors (see below), whose sum is σ = 389062800. Its totient is φ = 277901760.

The previous prime is 331166393. The next prime is 331166411. The reversal of 331166407 is 704661133.

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

It is a cyclic number.

It is not a de Polignac number, because 331166407 - 2¹⁵ = 331133639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331166467) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1157782 + ... + 1158067.

It is an arithmetic number, because the mean of its divisors is an integer number (48632850).

Almost surely, 2^331166407 is an apocalyptic number.

331166407 is a deficient number, since it is larger than the sum of its proper divisors (57896393).

331166407 is a wasteful number, since it uses less digits than its factorization.

331166407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315873.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 331166407 is about 18197.9781019761. The cubic root of 331166407 is about 691.8555440111.

The spelling of 331166407 in words is "three hundred thirty-one million, one hundred sixty-six thousand, four hundred seven".