74143381375516 has 12 divisors (see below), whose sum is σ = 130173558834088. Its totient is φ = 36950935994352.

The previous prime is 74143381375499. The next prime is 74143381375517. The reversal of 74143381375516 is 61557318334147.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74143381375517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30188671971 + ... + 30188674426.

Almost surely, 2^{74143381375516} is an apocalyptic number.

It is an amenable number.

74143381375516 is a deficient number, since it is larger than the sum of its proper divisors (56030177458572).

74143381375516 is a wasteful number, since it uses less digits than its factorization.

74143381375516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60377346708 (or 60377346706 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 58.

The spelling of 74143381375516 in words is "seventy-four trillion, one hundred forty-three billion, three hundred eighty-one million, three hundred seventy-five thousand, five hundred sixteen".