67900216992 has 48 divisors (see below), whose sum is σ = 178811260992. Its totient is φ = 22560619520.

The previous prime is 67900216927. The next prime is 67900217017. The reversal of 67900216992 is 29961200976.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×67900216992² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1107273 + ... + 1166984.

It is an arithmetic number, because the mean of its divisors is an integer number (3725234604).

Almost surely, 2^67900216992 is an apocalyptic number.

It is an amenable number.

67900216992 is an abundant number, since it is smaller than the sum of its proper divisors (110911044000).

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

67900216992 is a wasteful number, since it uses less digits than its factorization.

67900216992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274581 (or 2274573 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 51.

The spelling of 67900216992 in words is "sixty-seven billion, nine hundred million, two hundred sixteen thousand, nine hundred ninety-two".