163557002039 has 2 divisors, whose sum is σ = 163557002040. Its totient is φ = 163557002038.

The previous prime is 163557002017. The next prime is 163557002047. The reversal of 163557002039 is 930200755361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163557002039 - 2¹⁶ = 163556936503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 163557001987 and 163557002005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (163557032039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81778501019 + 81778501020.

It is an arithmetic number, because the mean of its divisors is an integer number (81778501020).

Almost surely, 2^163557002039 is an apocalyptic number.

163557002039 is a deficient number, since it is larger than the sum of its proper divisors (1).

163557002039 is an equidigital number, since it uses as much as digits as its factorization.

163557002039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The spelling of 163557002039 in words is "one hundred sixty-three billion, five hundred fifty-seven million, two thousand, thirty-nine".