1618474548 has 24 divisors (see below), whose sum is σ = 3840449760. Its totient is φ = 530347360.

The previous prime is 1618474537. The next prime is 1618474577. The reversal of 1618474548 is 8454748161.

It is a junction number, because it is equal to n+sod(n) for n = 1618474497 and 1618474506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1142283 + ... + 1143698.

It is an arithmetic number, because the mean of its divisors is an integer number (160018740).

Almost surely, 2^1618474548 is an apocalyptic number.

It is an amenable number.

1618474548 is an abundant number, since it is smaller than the sum of its proper divisors (2221975212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1618474548 is a wasteful number, since it uses less digits than its factorization.

1618474548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2286047 (or 2286045 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 1618474548 is about 40230.2690520459. The cubic root of 1618474548 is about 1174.0915381456.

The spelling of 1618474548 in words is "one billion, six hundred eighteen million, four hundred seventy-four thousand, five hundred forty-eight".