65947104132 has 144 divisors (see below), whose sum is σ = 194572445760. Its totient is φ = 17229881088.

The previous prime is 65947104101. The next prime is 65947104151. The reversal of 65947104132 is 23140174956.

65947104132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 777594 + ... + 858222.

It is an arithmetic number, because the mean of its divisors is an integer number (1351197540).

Almost surely, 2^65947104132 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 65947104132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97286222880).

65947104132 is an abundant number, since it is smaller than the sum of its proper divisors (128625341628).

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

65947104132 is a wasteful number, since it uses less digits than its factorization.

65947104132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80770 (or 80761 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 65947104132 in words is "sixty-five billion, nine hundred forty-seven million, one hundred four thousand, one hundred thirty-two".