618499476 has 240 divisors, whose sum is σ = 2012200960. Its totient is φ = 161663040.

The previous prime is 618499421. The next prime is 618499477. The reversal of 618499476 is 674994816.

618499476 is a `hidden beast` number, since 6 + 1 + 84 + 99 + 476 = 666.

618499476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618499477) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1335621 + ... + 1336083.

Almost surely, 2^618499476 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 618499476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006100480).

618499476 is an abundant number, since it is smaller than the sum of its proper divisors (1393701484).

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

618499476 is a wasteful number, since it uses less digits than its factorization.

618499476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 525 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 618499476 is about 24869.6496959648. The cubic root of 618499476 is about 852.0134395817.

The spelling of 618499476 in words is "six hundred eighteen million, four hundred ninety-nine thousand, four hundred seventy-six".