331607066 has 32 divisors (see below), whose sum is σ = 603355392. Its totient is φ = 133436160.

The previous prime is 331607063. The next prime is 331607119. The reversal of 331607066 is 660706133.

It is a happy number.

It is a super-2 number, since 2×331607066² = 219926492442256712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (331607063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114476 + ... + 117336.

It is an arithmetic number, because the mean of its divisors is an integer number (18854856).

Almost surely, 2^331607066 is an apocalyptic number.

331607066 is a deficient number, since it is larger than the sum of its proper divisors (271748326).

331607066 is a wasteful number, since it uses less digits than its factorization.

331607066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 331607066 is about 18210.0814385878. The cubic root of 331607066 is about 692.1622752513.

The spelling of 331607066 in words is "three hundred thirty-one million, six hundred seven thousand, sixty-six".