65542500003264 has 112 divisors (see below), whose sum is σ = 175602791539968. Its totient is φ = 21573036269568.

The previous prime is 65542500003241. The next prime is 65542500003269. The reversal of 65542500003264 is 46230000524556.

It is a super-2 number, since 2×65542500003264² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65542500003269) 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, 2086704 + ... + 11637840.

Almost surely, 2^{65542500003264} is an apocalyptic number.

65542500003264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65542500003264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87801395769984).

65542500003264 is an abundant number, since it is smaller than the sum of its proper divisors (110060291536704).

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

65542500003264 is a wasteful number, since it uses less digits than its factorization.

65542500003264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551602 (or 9551592 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 65542500003264 in words is "sixty-five trillion, five hundred forty-two billion, five hundred million, three thousand, two hundred sixty-four".