65164662 has 40 divisors (see below), whose sum is σ = 149593752. Its totient is φ = 21189600.

The previous prime is 65164639. The next prime is 65164667. The reversal of 65164662 is 26646156.

It is a happy number.

65164662 is a `hidden beast` number, since 6 + 5 + 1 + 646 + 6 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65164667) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1737 + ... + 11547.

Almost surely, 2^65164662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65164662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74796876).

65164662 is an abundant number, since it is smaller than the sum of its proper divisors (84429090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65164662 is a wasteful number, since it uses less digits than its factorization.

65164662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9866 (or 9857 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 65164662 is about 8072.4631928551. The cubic root of 65164662 is about 402.4118078962.

The spelling of 65164662 in words is "sixty-five million, one hundred sixty-four thousand, six hundred sixty-two".