163650087 has 12 divisors (see below), whose sum is σ = 236953080. Its totient is φ = 108837168.

The previous prime is 163650079. The next prime is 163650089. The reversal of 163650087 is 780056361.

It is not a de Polignac number, because 163650087 - 2³ = 163650079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163650089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17928 + ... + 25469.

It is an arithmetic number, because the mean of its divisors is an integer number (19746090).

Almost surely, 2^163650087 is an apocalyptic number.

163650087 is a deficient number, since it is larger than the sum of its proper divisors (73302993).

163650087 is a wasteful number, since it uses less digits than its factorization.

163650087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43822 (or 43819 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 163650087 is about 12792.5793724331. The cubic root of 163650087 is about 546.9807975862.

The spelling of 163650087 in words is "one hundred sixty-three million, six hundred fifty thousand, eighty-seven".