618020249090 has 16 divisors (see below), whose sum is σ = 1113646950720. Its totient is φ = 246939099120.

The previous prime is 618020249069. The next prime is 618020249113. The reversal of 618020249090 is 90942020816.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33615416 + ... + 33633795.

It is an arithmetic number, because the mean of its divisors is an integer number (69602934420).

Almost surely, 2^618020249090 is an apocalyptic number.

618020249090 is a deficient number, since it is larger than the sum of its proper divisors (495626701630).

618020249090 is a wasteful number, since it uses less digits than its factorization.

618020249090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67250137.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 618020249090 in words is "six hundred eighteen billion, twenty million, two hundred forty-nine thousand, ninety".