6151665550 has 12 divisors (see below), whose sum is σ = 11442098016. Its totient is φ = 2460666200.

The previous prime is 6151665539. The next prime is 6151665551. The reversal of 6151665550 is 555661516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6151665551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61516606 + ... + 61516705.

It is an arithmetic number, because the mean of its divisors is an integer number (953508168).

Almost surely, 2^6151665550 is an apocalyptic number.

6151665550 is a deficient number, since it is larger than the sum of its proper divisors (5290432466).

6151665550 is a wasteful number, since it uses less digits than its factorization.

6151665550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123033323 (or 123033318 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 40.

The square root of 6151665550 is about 78432.5541468592. The cubic root of 6151665550 is about 1832.3041784912.

The spelling of 6151665550 in words is "six billion, one hundred fifty-one million, six hundred sixty-five thousand, five hundred fifty".