163061090 has 16 divisors (see below), whose sum is σ = 295134840. Its totient is φ = 64863360.

The previous prime is 163061081. The next prime is 163061123. The reversal of 163061090 is 90160361.

163061090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 87179569 + 75881521 = 9337^2 + 8711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43235 + ... + 46854.

Almost surely, 2^163061090 is an apocalyptic number.

163061090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163061090 is a deficient number, since it is larger than the sum of its proper divisors (132073750).

163061090 is a wasteful number, since it uses less digits than its factorization.

163061090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90277.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 163061090 is about 12769.5375797246. The cubic root of 163061090 is about 546.3237914510.

The spelling of 163061090 in words is "one hundred sixty-three million, sixty-one thousand, ninety".