618322498194 has 16 divisors (see below), whose sum is σ = 1290412170432. Its totient is φ = 197146303728.

The previous prime is 618322498193. The next prime is 618322498207. The reversal of 618322498194 is 491894223816.

It is not an unprimeable number, because it can be changed into a prime (618322498193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2240298769 + ... + 2240299044.

It is an arithmetic number, because the mean of its divisors is an integer number (80650760652).

Almost surely, 2^618322498194 is an apocalyptic number.

618322498194 is an abundant number, since it is smaller than the sum of its proper divisors (672089672238).

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

618322498194 is a wasteful number, since it uses less digits than its factorization.

618322498194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480597841.

The product of its digits is 5971968, while the sum is 57.

The spelling of 618322498194 in words is "six hundred eighteen billion, three hundred twenty-two million, four hundred ninety-eight thousand, one hundred ninety-four".