163156701487 has 4 divisors (see below), whose sum is σ = 175707217000. Its totient is φ = 150606185976.

The previous prime is 163156701473. The next prime is 163156701563. The reversal of 163156701487 is 784107651361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 163156701487 - 2⁷ = 163156701359 is a prime.

It is a super-2 number, since 2×163156701487² (a number of 23 digits) contains 22 as substring.

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 163156701487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163156701457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6275257737 + ... + 6275257762.

It is an arithmetic number, because the mean of its divisors is an integer number (43926804250).

Almost surely, 2^163156701487 is an apocalyptic number.

163156701487 is a deficient number, since it is larger than the sum of its proper divisors (12550515513).

163156701487 is a wasteful number, since it uses less digits than its factorization.

163156701487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12550515512.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 163156701487 in words is "one hundred sixty-three billion, one hundred fifty-six million, seven hundred one thousand, four hundred eighty-seven".