74619646168 has 32 divisors (see below), whose sum is σ = 142458582960. Its totient is φ = 36632868480.

The previous prime is 74619646121. The next prime is 74619646207. The reversal of 74619646168 is 86164691647.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138946 + ... + 410542.

Almost surely, 2^74619646168 is an apocalyptic number.

It is an amenable number.

74619646168 is a deficient number, since it is larger than the sum of its proper divisors (67838936792).

74619646168 is a wasteful number, since it uses less digits than its factorization.

74619646168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272227 (or 272223 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 74619646168 in words is "seventy-four billion, six hundred nineteen million, six hundred forty-six thousand, one hundred sixty-eight".