65662102240 has 96 divisors (see below), whose sum is σ = 178216464384. Its totient is φ = 22394780160.

The previous prime is 65662102237. The next prime is 65662102241. The reversal of 65662102240 is 4220126656.

It is a junction number, because it is equal to n+sod(n) for n = 65662102196 and 65662102205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65662102241) 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, 60447 + ... + 367393.

It is an arithmetic number, because the mean of its divisors is an integer number (1856421504).

Almost surely, 2^65662102240 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 65662102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89108232192).

65662102240 is an abundant number, since it is smaller than the sum of its proper divisors (112554362144).

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

65662102240 is a wasteful number, since it uses less digits than its factorization.

65662102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307160 (or 307152 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 65662102240 its reverse (4220126656), we get a palindrome (69882228896).

The spelling of 65662102240 in words is "sixty-five billion, six hundred sixty-two million, one hundred two thousand, two hundred forty".