163142369650 has 24 divisors (see below), whose sum is σ = 326786717124. Its totient is φ = 60237182400.

The previous prime is 163142369629. The next prime is 163142369653. The reversal of 163142369650 is 56963241361.

It can be written as a sum of positive squares in 6 ways, for example, as 27791223849 + 135351145801 = 166707^2 + 367901^2 .

It is a super-2 number, since 2×163142369650² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 163142369650.

It is not an unprimeable number, because it can be changed into a prime (163142369653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125493481 + ... + 125494780.

Almost surely, 2^163142369650 is an apocalyptic number.

163142369650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163142369650 is an abundant number, since it is smaller than the sum of its proper divisors (163644347474).

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

163142369650 is a wasteful number, since it uses less digits than its factorization.

163142369650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250988286 (or 250988281 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 163142369650 in words is "one hundred sixty-three billion, one hundred forty-two million, three hundred sixty-nine thousand, six hundred fifty".