163103213657 has 8 divisors (see below), whose sum is σ = 163972823040. Its totient is φ = 162233767840.

The previous prime is 163103213621. The next prime is 163103213677. The reversal of 163103213657 is 756312301361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163103213657 - 2²⁶ = 163036104793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163103213657.

It is not an unprimeable number, because it can be changed into a prime (163103213677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2320208 + ... + 2389470.

It is an arithmetic number, because the mean of its divisors is an integer number (20496602880).

Almost surely, 2^163103213657 is an apocalyptic number.

It is an amenable number.

163103213657 is a deficient number, since it is larger than the sum of its proper divisors (869609383).

163103213657 is a wasteful number, since it uses less digits than its factorization.

163103213657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81783.

The product of its (nonzero) digits is 68040, while the sum is 38.

The spelling of 163103213657 in words is "one hundred sixty-three billion, one hundred three million, two hundred thirteen thousand, six hundred fifty-seven".