1618590468 has 96 divisors (see below), whose sum is σ = 4592125440. Its totient is φ = 437322240.

The previous prime is 1618590437. The next prime is 1618590469. The reversal of 1618590468 is 8640958161.

It is not an unprimeable number, because it can be changed into a prime (1618590469) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23655 + ... + 61617.

It is an arithmetic number, because the mean of its divisors is an integer number (47834640).

Almost surely, 2^1618590468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618590468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296062720).

1618590468 is an abundant number, since it is smaller than the sum of its proper divisors (2973534972).

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

1618590468 is a wasteful number, since it uses less digits than its factorization.

1618590468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38017 (or 38015 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1618590468 is about 40231.7097324983. The cubic root of 1618590468 is about 1174.1195681286.

The spelling of 1618590468 in words is "one billion, six hundred eighteen million, five hundred ninety thousand, four hundred sixty-eight".