160000090 has 32 divisors (see below), whose sum is σ = 307676880. Its totient is φ = 59695104.

The previous prime is 160000067. The next prime is 160000103. The reversal of 160000090 is 90000061.

It can be written as a sum of positive squares in 8 ways, for example, as 16072081 + 143928009 = 4009^2 + 11997^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15046 + ... + 23374.

Almost surely, 2^160000090 is an apocalyptic number.

160000090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

160000090 is a deficient number, since it is larger than the sum of its proper divisors (147676790).

160000090 is a wasteful number, since it uses less digits than its factorization.

160000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8466.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 160000090 is about 12649.1141982354. The cubic root of 160000090 is about 542.8836251096.

It can be divided in two parts, 1600000 and 90, that multiplied together give a square (144000000 = 12000²).

The spelling of 160000090 in words is "one hundred sixty million, ninety", and thus it is an aban number.