67419460856 has 16 divisors (see below), whose sum is σ = 137903442840. Its totient is φ = 30645209440.

The previous prime is 67419460853. The next prime is 67419460903. The reversal of 67419460856 is 65806491476.

It is a super-2 number, since 2×67419460856² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67419460853) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 383065031 + ... + 383065206.

Almost surely, 2^67419460856 is an apocalyptic number.

It is an amenable number.

67419460856 is an abundant number, since it is smaller than the sum of its proper divisors (70483981984).

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

67419460856 is a wasteful number, since it uses less digits than its factorization.

67419460856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766130254 (or 766130250 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 67419460856 in words is "sixty-seven billion, four hundred nineteen million, four hundred sixty thousand, eight hundred fifty-six".