6151818494 has 16 divisors (see below), whose sum is σ = 9360214416. Its totient is φ = 3032016000.

The previous prime is 6151818419. The next prime is 6151818581. The reversal of 6151818494 is 4948181516.

It is a congruent 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, 21227 + ... + 112934.

It is an arithmetic number, because the mean of its divisors is an integer number (585013401).

Almost surely, 2^6151818494 is an apocalyptic number.

6151818494 is a deficient number, since it is larger than the sum of its proper divisors (3208395922).

6151818494 is a wasteful number, since it uses less digits than its factorization.

6151818494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134491.

The product of its digits is 276480, while the sum is 47.

The square root of 6151818494 is about 78433.5291441103. The cubic root of 6151818494 is about 1832.3193634090.

The spelling of 6151818494 in words is "six billion, one hundred fifty-one million, eight hundred eighteen thousand, four hundred ninety-four".