1618710960 has 80 divisors (see below), whose sum is σ = 5048176896. Its totient is φ = 429060864.

The previous prime is 1618710937. The next prime is 1618710983. The reversal of 1618710960 is 690178161.

It is an interprime number because it is at equal distance from previous prime (1618710937) and next prime (1618710983).

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19887 + ... + 60273.

Almost surely, 2^1618710960 is an apocalyptic number.

1618710960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1618710960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2524088448).

1618710960 is an abundant number, since it is smaller than the sum of its proper divisors (3429465936).

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

1618710960 is a wasteful number, since it uses less digits than its factorization.

1618710960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40570 (or 40564 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1618710960 is about 40233.2071801391. The cubic root of 1618710960 is about 1174.1487022234.

The spelling of 1618710960 in words is "one billion, six hundred eighteen million, seven hundred ten thousand, nine hundred sixty".