163261130 has 16 divisors (see below), whose sum is σ = 306647424. Its totient is φ = 62465040.

The previous prime is 163261121. The next prime is 163261141. The reversal of 163261130 is 31162361.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 163261096 and 163261105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354686 + ... + 355145.

It is an arithmetic number, because the mean of its divisors is an integer number (19165464).

Almost surely, 2^163261130 is an apocalyptic number.

163261130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163261130 is a deficient number, since it is larger than the sum of its proper divisors (143386294).

163261130 is a wasteful number, since it uses less digits than its factorization.

163261130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 709861.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 163261130 is about 12777.3678823144. The cubic root of 163261130 is about 546.5471064297.

The spelling of 163261130 in words is "one hundred sixty-three million, two hundred sixty-one thousand, one hundred thirty".