67651065152 has 42 divisors (see below), whose sum is σ = 147558661194. Its totient is φ = 30750480640.

The previous prime is 67651065151. The next prime is 67651065161. The reversal of 67651065152 is 25156015676.

It can be written as a sum of positive squares in only one way, i.e., 53890836736 + 13760228416 = 232144^2 + 117304^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67651065151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4360223 + ... + 4375710.

It is an arithmetic number, because the mean of its divisors is an integer number (3513301457).

Almost surely, 2^67651065152 is an apocalyptic number.

It is an amenable number.

67651065152 is an abundant number, since it is smaller than the sum of its proper divisors (79907596042).

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

67651065152 is a wasteful number, since it uses less digits than its factorization.

67651065152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8735967 (or 8735946 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 67651065152 in words is "sixty-seven billion, six hundred fifty-one million, sixty-five thousand, one hundred fifty-two".