163441661541050 has 24 divisors (see below), whose sum is σ = 304872554941500. Its totient is φ = 65189338922880.

The previous prime is 163441661541023. The next prime is 163441661541077. The reversal of 163441661541050 is 50145166144361.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (163441661541023) and next prime (163441661541077).

It can be written as a sum of positive squares in 6 ways, for example, as 60278779851481 + 103162881689569 = 7763941^2 + 10156913^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163441661540986 and 163441661541004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4683124715 + ... + 4683159614.

Almost surely, 2^{163441661541050} is an apocalyptic number.

163441661541050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163441661541050 is a deficient number, since it is larger than the sum of its proper divisors (141430893400450).

163441661541050 is a wasteful number, since it uses less digits than its factorization.

163441661541050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9366284690 (or 9366284685 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 163441661541050 in words is "one hundred sixty-three trillion, four hundred forty-one billion, six hundred sixty-one million, five hundred forty-one thousand, fifty".