67325981550 has 48 divisors (see below), whose sum is σ = 167842685952. Its totient is φ = 17859589600.

The previous prime is 67325981537. The next prime is 67325981573. The reversal of 67325981550 is 5518952376.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 67325981493 and 67325981502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146324 + ... + 1203623.

It is an arithmetic number, because the mean of its divisors is an integer number (3496722624).

Almost surely, 2^67325981550 is an apocalyptic number.

67325981550 is an abundant number, since it is smaller than the sum of its proper divisors (100516704402).

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

67325981550 is a wasteful number, since it uses less digits than its factorization.

67325981550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2350153 (or 2350148 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 67325981550 in words is "sixty-seven billion, three hundred twenty-five million, nine hundred eighty-one thousand, five hundred fifty".