163618629009 has 16 divisors (see below), whose sum is σ = 238639226880. Its totient is φ = 98892599760.

The previous prime is 163618629001. The next prime is 163618629011. The reversal of 163618629009 is 900926816361.

It is not a de Polignac number, because 163618629009 - 2³ = 163618629001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (163618629001) 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, 6742849 + ... + 6767070.

It is an arithmetic number, because the mean of its divisors is an integer number (14914951680).

Almost surely, 2^163618629009 is an apocalyptic number.

It is an amenable number.

163618629009 is a deficient number, since it is larger than the sum of its proper divisors (75020597871).

163618629009 is a wasteful number, since it uses less digits than its factorization.

163618629009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510300.

The product of its (nonzero) digits is 839808, while the sum is 51.

The spelling of 163618629009 in words is "one hundred sixty-three billion, six hundred eighteen million, six hundred twenty-nine thousand, nine".