65153712 has 80 divisors (see below), whose sum is σ = 182536928. Its totient is φ = 19906560.

The previous prime is 65153659. The next prime is 65153713. The reversal of 65153712 is 21735156.

It is a self number, because there is not a number n which added to its sum of digits gives 65153712.

It is not an unprimeable number, because it can be changed into a prime (65153713) 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, 120162 + ... + 120702.

Almost surely, 2^65153712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65153712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91268464).

65153712 is an abundant number, since it is smaller than the sum of its proper divisors (117383216).

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

65153712 is a wasteful number, since it uses less digits than its factorization.

65153712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758 (or 752 counting only the distinct ones).

The product of its digits is 6300, while the sum is 30.

The square root of 65153712 is about 8071.7849327147. The cubic root of 65153712 is about 402.3892667622.

Adding to 65153712 its reverse (21735156), we get a palindrome (86888868).

The spelling of 65153712 in words is "sixty-five million, one hundred fifty-three thousand, seven hundred twelve".