618057216 has 200 divisors, whose sum is σ = 2109262320. Its totient is φ = 176504832.

The previous prime is 618057179. The next prime is 618057233. The reversal of 618057216 is 612750816.

618057216 is a `hidden beast` number, since 6 + 1 + 80 + 572 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 289240 + ... + 291368.

Almost surely, 2^618057216 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 618057216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054631160).

618057216 is an abundant number, since it is smaller than the sum of its proper divisors (1491205104).

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

618057216 is an equidigital number, since it uses as much as digits as its factorization.

618057216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2141 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 618057216 is about 24860.7565452059. The cubic root of 618057216 is about 851.8103128599.

The spelling of 618057216 in words is "six hundred eighteen million, fifty-seven thousand, two hundred sixteen".