163251053 has 32 divisors (see below), whose sum is σ = 201277440. Its totient is φ = 129456000.

The previous prime is 163251041. The next prime is 163251071. The reversal of 163251053 is 350152361.

It is not a de Polignac number, because 163251053 - 2¹² = 163246957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163251013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 524768 + ... + 525078.

It is an arithmetic number, because the mean of its divisors is an integer number (6289920).

Almost surely, 2^163251053 is an apocalyptic number.

It is an amenable number.

163251053 is a deficient number, since it is larger than the sum of its proper divisors (38026387).

163251053 is a wasteful number, since it uses less digits than its factorization.

163251053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 163251053 is about 12776.9735461885. The cubic root of 163251053 is about 546.5358613188.

The spelling of 163251053 in words is "one hundred sixty-three million, two hundred fifty-one thousand, fifty-three".