74162169168516 has 243 divisors, whose sum is σ = 223149153042543. Its totient is φ = 20742595885440.

The previous prime is 74162169168469. The next prime is 74162169168539. The reversal of 74162169168516 is 61586196126147.

The square root of 74162169168516 is 8611746.

It is a perfect power (a square), and thus also a powerful number.

74162169168516 is a `hidden beast` number, since 7 + 4 + 1 + 6 + 21 + 6 + 91 + 6 + 8 + 516 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 20878009008516 + 53284160160000 = 4569246^2 + 7299600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 7388873050 + ... + 7388883086.

Almost surely, 2^{74162169168516} is an apocalyptic number.

74162169168516 is the 8611746-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74162169168516

74162169168516 is an abundant number, since it is smaller than the sum of its proper divisors (148986983874027).

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

74162169168516 is a wasteful number, since it uses less digits than its factorization.

74162169168516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20132 (or 10066 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 74162169168516 in words is "seventy-four trillion, one hundred sixty-two billion, one hundred sixty-nine million, one hundred sixty-eight thousand, five hundred sixteen".