1618130 has 16 divisors (see below), whose sum is σ = 2942784. Its totient is φ = 640560.

The previous prime is 1618129. The next prime is 1618139. The reversal of 1618130 is 318161.

It is not an unprimeable number, because it can be changed into a prime (1618139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (183924).

2^1618130 is an apocalyptic number.

1618130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1618130 is a deficient number, since it is larger than the sum of its proper divisors (1324654).

1618130 is a wasteful number, since it uses less digits than its factorization.

1618130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1618130 is about 1272.0573886425. The cubic root of 1618130 is about 117.4008216971.

The spelling of 1618130 in words is "one million, six hundred eighteen thousand, one hundred thirty".