618373090080 has 240 divisors, whose sum is σ = 2191718673144. Its totient is φ = 164190965760.

The previous prime is 618373090037. The next prime is 618373090123. The reversal of 618373090080 is 80090373816.

It is a happy number.

618373090080 is digitally balanced in base 2 and base 7, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (618373090037) and next prime (618373090123).

It can be written as a sum of positive squares in 4 ways, for example, as 451213132176 + 167159957904 = 671724^2 + 408852^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2917290 + ... + 3122070.

Almost surely, 2^618373090080 is an apocalyptic number.

618373090080 is a gapful number since it is divisible by the number (60) 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 618373090080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1095859336572).

618373090080 is an abundant number, since it is smaller than the sum of its proper divisors (1573345583064).

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

618373090080 is a wasteful number, since it uses less digits than its factorization.

618373090080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205041 (or 205024 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 618373090080 in words is "six hundred eighteen billion, three hundred seventy-three million, ninety thousand, eighty".