665463334 has 32 divisors (see below), whose sum is σ = 1120694400. Its totient is φ = 294503040.

The previous prime is 665463307. The next prime is 665463341. The reversal of 665463334 is 433364566.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86089 + ... + 93499.

It is an arithmetic number, because the mean of its divisors is an integer number (35021700).

Almost surely, 2^665463334 is an apocalyptic number.

665463334 is a deficient number, since it is larger than the sum of its proper divisors (455231066).

665463334 is a wasteful number, since it uses less digits than its factorization.

665463334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7588.

The product of its digits is 466560, while the sum is 40.

The square root of 665463334 is about 25796.5760131069. The cubic root of 665463334 is about 873.0545442255.

The spelling of 665463334 in words is "six hundred sixty-five million, four hundred sixty-three thousand, three hundred thirty-four".