163106406251644 has 12 divisors (see below), whose sum is σ = 285436394011944. Its totient is φ = 81553150819664.

The previous prime is 163106406251639. The next prime is 163106406251669. The reversal of 163106406251644 is 446152604601361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5583262 + ... + 18904645.

It is an arithmetic number, because the mean of its divisors is an integer number (23786366167662).

Almost surely, 2^{163106406251644} is an apocalyptic number.

It is an amenable number.

163106406251644 is a deficient number, since it is larger than the sum of its proper divisors (122329987760300).

163106406251644 is a wasteful number, since it uses less digits than its factorization.

163106406251644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26153084 (or 26153082 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 49.

The spelling of 163106406251644 in words is "one hundred sixty-three trillion, one hundred six billion, four hundred six million, two hundred fifty-one thousand, six hundred forty-four".