5618457371520 has 512 divisors, whose sum is σ = 22814184960000. Its totient is φ = 1280107266048.

The previous prime is 5618457371519. The next prime is 5618457371533. The reversal of 5618457371520 is 251737548165.

5618457371520 is a `hidden beast` number, since 5 + 6 + 1 + 8 + 45 + 7 + 3 + 71 + 520 = 666.

It is a super-2 number, since 2×5618457371520² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37786281 + ... + 37934679.

It is an arithmetic number, because the mean of its divisors is an integer number (44558955000).

Almost surely, 2^{5618457371520} 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 5618457371520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11407092480000).

5618457371520 is an abundant number, since it is smaller than the sum of its proper divisors (17195727588480).

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

5618457371520 is a wasteful number, since it uses less digits than its factorization.

5618457371520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148747 (or 148729 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The spelling of 5618457371520 in words is "five trillion, six hundred eighteen billion, four hundred fifty-seven million, three hundred seventy-one thousand, five hundred twenty".