163012651 has 4 divisors (see below), whose sum is σ = 163100304. Its totient is φ = 162925000.

The previous prime is 163012649. The next prime is 163012673. The reversal of 163012651 is 156210361.

163012651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 156210361 = 1657 ⋅94273.

It is a cyclic number.

It is not a de Polignac number, because 163012651 - 2¹ = 163012649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (163012621) 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, 40975 + ... + 44776.

It is an arithmetic number, because the mean of its divisors is an integer number (40775076).

Almost surely, 2^163012651 is an apocalyptic number.

163012651 is a deficient number, since it is larger than the sum of its proper divisors (87653).

163012651 is an equidigital number, since it uses as much as digits as its factorization.

163012651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87652.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 163012651 is about 12767.6407765883. The cubic root of 163012651 is about 546.2696890305.

The spelling of 163012651 in words is "one hundred sixty-three million, twelve thousand, six hundred fifty-one".