163212610543526 has 16 divisors (see below), whose sum is σ = 259224726061296. Its totient is φ = 76804542506496.

The previous prime is 163212610543517. The next prime is 163212610543571. The reversal of 163212610543526 is 625345016212361.

It is a super-2 number, since 2×163212610543526² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41590856 + ... + 45345611.

It is an arithmetic number, because the mean of its divisors is an integer number (16201545378831).

Almost surely, 2^{163212610543526} is an apocalyptic number.

163212610543526 is a deficient number, since it is larger than the sum of its proper divisors (96012115517770).

163212610543526 is a wasteful number, since it uses less digits than its factorization.

163212610543526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86991703.

The product of its (nonzero) digits is 1555200, while the sum is 47.

Adding to 163212610543526 its reverse (625345016212361), we get a palindrome (788557626755887).

The spelling of 163212610543526 in words is "one hundred sixty-three trillion, two hundred twelve billion, six hundred ten million, five hundred forty-three thousand, five hundred twenty-six".