163260651 has 4 divisors (see below), whose sum is σ = 217680872. Its totient is φ = 108840432.

The previous prime is 163260649. The next prime is 163260679. The reversal of 163260651 is 156062361.

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

It is not a de Polignac number, because 163260651 - 2¹ = 163260649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163262651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27210106 + ... + 27210111.

It is an arithmetic number, because the mean of its divisors is an integer number (54420218).

Almost surely, 2^163260651 is an apocalyptic number.

163260651 is a deficient number, since it is larger than the sum of its proper divisors (54420221).

163260651 is an equidigital number, since it uses as much as digits as its factorization.

163260651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54420220.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 163260651 is about 12777.3491382211. The cubic root of 163260651 is about 546.5465719152.

The spelling of 163260651 in words is "one hundred sixty-three million, two hundred sixty thousand, six hundred fifty-one".