163790526887 has 16 divisors (see below), whose sum is σ = 182884292640. Its totient is φ = 145648094592.

The previous prime is 163790526827. The next prime is 163790526917. The reversal of 163790526887 is 788625097361.

It is not a de Polignac number, because 163790526887 - 2¹⁰ = 163790525863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163790526827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 323348 + ... + 657369.

It is an arithmetic number, because the mean of its divisors is an integer number (11430268290).

Almost surely, 2^163790526887 is an apocalyptic number.

163790526887 is a deficient number, since it is larger than the sum of its proper divisors (19093765753).

163790526887 is a wasteful number, since it uses less digits than its factorization.

163790526887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981202.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 163790526887 in words is "one hundred sixty-three billion, seven hundred ninety million, five hundred twenty-six thousand, eight hundred eighty-seven".