74516161648 has 10 divisors (see below), whose sum is σ = 144375063224. Its totient is φ = 37258080816.

The previous prime is 74516161631. The next prime is 74516161649. The reversal of 74516161648 is 84616161547.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74516161649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2328630036 + ... + 2328630067.

Almost surely, 2^74516161648 is an apocalyptic number.

It is an amenable number.

74516161648 is a deficient number, since it is larger than the sum of its proper divisors (69858901576).

74516161648 is a wasteful number, since it uses less digits than its factorization.

74516161648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4657260111 (or 4657260105 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The spelling of 74516161648 in words is "seventy-four billion, five hundred sixteen million, one hundred sixty-one thousand, six hundred forty-eight".