163153530 has 24 divisors (see below), whose sum is σ = 424199412. Its totient is φ = 43507584.

The previous prime is 163153517. The next prime is 163153531. The reversal of 163153530 is 35351361.

It can be written as a sum of positive squares in 2 ways, for example, as 134861769 + 28291761 = 11613^2 + 5319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 163153494 and 163153503.

It is not an unprimeable number, because it can be changed into a prime (163153531) 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, 906319 + ... + 906498.

Almost surely, 2^163153530 is an apocalyptic number.

163153530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163153530 is an abundant number, since it is smaller than the sum of its proper divisors (261045882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163153530 is a wasteful number, since it uses less digits than its factorization.

163153530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1812830 (or 1812827 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 27.

The square root of 163153530 is about 12773.1566184714. The cubic root of 163153530 is about 546.4270096805.

The spelling of 163153530 in words is "one hundred sixty-three million, one hundred fifty-three thousand, five hundred thirty".