1898241516 has 72 divisors (see below), whose sum is σ = 5033901600. Its totient is φ = 602300160.

The previous prime is 1898241509. The next prime is 1898241523. The reversal of 1898241516 is 6151428981.

It is a happy number.

1898241516 is a `hidden beast` number, since 1 + 8 + 98 + 2 + 41 + 516 = 666.

It is an interprime number because it is at equal distance from previous prime (1898241509) and next prime (1898241523).

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 23 ways as a sum of consecutive naturals, for example, 61320 + ... + 86928.

It is an arithmetic number, because the mean of its divisors is an integer number (69915300).

Almost surely, 2^1898241516 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 1898241516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2516950800).

1898241516 is an abundant number, since it is smaller than the sum of its proper divisors (3135660084).

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

1898241516 is a wasteful number, since it uses less digits than its factorization.

1898241516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25719 (or 25714 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1898241516 is about 43568.8135711773. The cubic root of 1898241516 is about 1238.1801078216.

The spelling of 1898241516 in words is "one billion, eight hundred ninety-eight million, two hundred forty-one thousand, five hundred sixteen".