65536376832 has 480 divisors, whose sum is σ = 206353459200. Its totient is φ = 20782448640.

The previous prime is 65536376819. The next prime is 65536376837. The reversal of 65536376832 is 23867363556.

It is a happy number.

65536376832 is a `hidden beast` number, since 6 + 5 + 536 + 3 + 76 + 8 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65536376837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1110786019 + ... + 1110786077.

It is an arithmetic number, because the mean of its divisors is an integer number (429903040).

Almost surely, 2^65536376832 is an apocalyptic number.

65536376832 is a gapful number since it is divisible by the number (62) 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 65536376832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103176729600).

65536376832 is an abundant number, since it is smaller than the sum of its proper divisors (140817082368).

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

65536376832 is an frugal number, since it uses more digits than its factorization.

65536376832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 95 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 54.

The spelling of 65536376832 in words is "sixty-five billion, five hundred thirty-six million, three hundred seventy-six thousand, eight hundred thirty-two".