67216922075 has 6 divisors (see below), whose sum is σ = 83348983404. Its totient is φ = 53773537640.

The previous prime is 67216922057. The next prime is 67216922099. The reversal of 67216922075 is 57022961276.

It is not a de Polignac number, because 67216922075 - 2⁶ = 67216922011 is a prime.

It is a super-2 number, since 2×67216922075² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1344338417 + ... + 1344338466.

It is an arithmetic number, because the mean of its divisors is an integer number (13891497234).

Almost surely, 2^67216922075 is an apocalyptic number.

67216922075 is a deficient number, since it is larger than the sum of its proper divisors (16132061329).

67216922075 is a wasteful number, since it uses less digits than its factorization.

67216922075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688676893 (or 2688676888 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 67216922075 in words is "sixty-seven billion, two hundred sixteen million, nine hundred twenty-two thousand, seventy-five".