66175406014050 has 36 divisors (see below), whose sum is σ = 177791257492290. Its totient is φ = 17646774936960.

The previous prime is 66175406014013. The next prime is 66175406014063. The reversal of 66175406014050 is 5041060457166.

66175406014050 is a `hidden beast` number, since 6 + 6 + 1 + 7 + 540 + 60 + 1 + 40 + 5 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 43389609752241 + 22785796261809 = 6587079^2 + 4773447^2 .

It is a super-2 number, since 2×66175406014050² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 66175406013987 and 66175406014005.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 73528228455 + ... + 73528229354.

Almost surely, 2^{66175406014050} is an apocalyptic number.

66175406014050 is an abundant number, since it is smaller than the sum of its proper divisors (111615851478240).

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

66175406014050 is a wasteful number, since it uses less digits than its factorization.

66175406014050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147056457827 (or 147056457819 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 66175406014050 in words is "sixty-six trillion, one hundred seventy-five billion, four hundred six million, fourteen thousand, fifty".