1618094494 has 8 divisors (see below), whose sum is σ = 2460390480. Its totient is φ = 797964336.

The previous prime is 1618094477. The next prime is 1618094519. The reversal of 1618094494 is 4944908161.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541274 + ... + 5541565.

It is an arithmetic number, because the mean of its divisors is an integer number (307548810).

Almost surely, 2^1618094494 is an apocalyptic number.

1618094494 is a deficient number, since it is larger than the sum of its proper divisors (842295986).

1618094494 is a wasteful number, since it uses less digits than its factorization.

1618094494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11082914.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1618094494 is about 40225.5452915184. The cubic root of 1618094494 is about 1173.9996299724. Note that the first 3 decimals are identical.

The spelling of 1618094494 in words is "one billion, six hundred eighteen million, ninety-four thousand, four hundred ninety-four".