65672273160 has 192 divisors, whose sum is σ = 235459813680. Its totient is φ = 15771156480.

The previous prime is 65672273141. The next prime is 65672273207. The reversal of 65672273160 is 6137227656.

65672273160 is a `hidden beast` number, since 6 + 567 + 2 + 2 + 73 + 16 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 9733400964 + 55938872196 = 98658^2 + 236514^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20752 + ... + 363008.

Almost surely, 2^65672273160 is an apocalyptic number.

65672273160 is a gapful number since it is divisible by the number (60) 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 65672273160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117729906840).

65672273160 is an abundant number, since it is smaller than the sum of its proper divisors (169787540520).

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

65672273160 is a wasteful number, since it uses less digits than its factorization.

65672273160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342328 (or 342321 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The spelling of 65672273160 in words is "sixty-five billion, six hundred seventy-two million, two hundred seventy-three thousand, one hundred sixty".