1618803214 has 48 divisors (see below), whose sum is σ = 2865393792. Its totient is φ = 671699952.

The previous prime is 1618803209. The next prime is 1618803217. The reversal of 1618803214 is 4123088161.

It is a self number, because there is not a number n which added to its sum of digits gives 1618803214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1618803217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12746419 + ... + 12746545.

It is an arithmetic number, because the mean of its divisors is an integer number (59695704).

Almost surely, 2^1618803214 is an apocalyptic number.

1618803214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1618803214 is a deficient number, since it is larger than the sum of its proper divisors (1246590578).

1618803214 is a wasteful number, since it uses less digits than its factorization.

1618803214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1618803214 is about 40234.3536545574. The cubic root of 1618803214 is about 1174.1710075967.

The spelling of 1618803214 in words is "one billion, six hundred eighteen million, eight hundred three thousand, two hundred fourteen".