65420132652 has 144 divisors (see below), whose sum is σ = 201497425920. Its totient is φ = 18293706144.

The previous prime is 65420132633. The next prime is 65420132653. The reversal of 65420132652 is 25623102456.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (65420132653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117213 + ... + 380235.

It is an arithmetic number, because the mean of its divisors is an integer number (1399287680).

Almost surely, 2^65420132652 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 65420132652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100748712960).

65420132652 is an abundant number, since it is smaller than the sum of its proper divisors (136077293268).

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

65420132652 is a wasteful number, since it uses less digits than its factorization.

65420132652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263097 (or 263082 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 65420132652 in words is "sixty-five billion, four hundred twenty million, one hundred thirty-two thousand, six hundred fifty-two".