331766152 has 16 divisors (see below), whose sum is σ = 658653660. Its totient is φ = 156125184.

The previous prime is 331766117. The next prime is 331766153. The reversal of 331766152 is 251667133.

It can be written as a sum of positive squares in 2 ways, for example, as 276024996 + 55741156 = 16614^2 + 7466^2 .

It is a super-2 number, since 2×331766152² = 220137559225774208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (331766153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1219593 + ... + 1219864.

Almost surely, 2^331766152 is an apocalyptic number.

It is an amenable number.

331766152 is a deficient number, since it is larger than the sum of its proper divisors (326887508).

331766152 is a wasteful number, since it uses less digits than its factorization.

331766152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439480 (or 2439476 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 331766152 is about 18214.4489897444. The cubic root of 331766152 is about 692.2729441072.

The spelling of 331766152 in words is "three hundred thirty-one million, seven hundred sixty-six thousand, one hundred fifty-two".