2173502770146 has 32 divisors (see below), whose sum is σ = 4831729648320. Its totient is φ = 724242399552.

The previous prime is 2173502770123. The next prime is 2173502770163. The reversal of 2173502770146 is 6410772053712.

2173502770146 is a `hidden beast` number, since 2 + 1 + 73 + 502 + 7 + 70 + 1 + 4 + 6 = 666.

It is a super-2 number, since 2×2173502770146² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7028455 + ... + 7331178.

It is an arithmetic number, because the mean of its divisors is an integer number (150991551510).

Almost surely, 2^{2173502770146} is an apocalyptic number.

2173502770146 is an abundant number, since it is smaller than the sum of its proper divisors (2658226878174).

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

2173502770146 is a wasteful number, since it uses less digits than its factorization.

2173502770146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14362447 (or 14362441 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The spelling of 2173502770146 in words is "two trillion, one hundred seventy-three billion, five hundred two million, seven hundred seventy thousand, one hundred forty-six".