67099220916 has 48 divisors (see below), whose sum is σ = 192695201664. Its totient is φ = 17696497536.

The previous prime is 67099220911. The next prime is 67099220939. The reversal of 67099220916 is 61902299076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67099220911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30721995 + ... + 30724178.

It is an arithmetic number, because the mean of its divisors is an integer number (4014483368).

Almost surely, 2^67099220916 is an apocalyptic number.

It is an amenable number.

67099220916 is an abundant number, since it is smaller than the sum of its proper divisors (125595980748).

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

67099220916 is a wasteful number, since it uses less digits than its factorization.

67099220916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61446200 (or 61446198 counting only the distinct ones).

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

The spelling of 67099220916 in words is "sixty-seven billion, ninety-nine million, two hundred twenty thousand, nine hundred sixteen".