65668492 has 6 divisors (see below), whose sum is σ = 114919868. Its totient is φ = 32834244.

The previous prime is 65668489. The next prime is 65668507. The reversal of 65668492 is 29486656.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208558 + ... + 8208565.

Almost surely, 2^65668492 is an apocalyptic number.

It is an amenable number.

65668492 is a deficient number, since it is larger than the sum of its proper divisors (49251376).

65668492 is a wasteful number, since it uses less digits than its factorization.

65668492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417127 (or 16417125 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 65668492 is about 8103.6098129167. The cubic root of 65668492 is about 403.4462481636.

The spelling of 65668492 in words is "sixty-five million, six hundred sixty-eight thousand, four hundred ninety-two".