6151121566 has 8 divisors (see below), whose sum is σ = 9264968064. Its totient is φ = 3062798880.

The previous prime is 6151121549. The next prime is 6151121591. The reversal of 6151121566 is 6651211516.

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, 6380350 + ... + 6381313.

It is an arithmetic number, because the mean of its divisors is an integer number (1158121008).

Almost surely, 2^6151121566 is an apocalyptic number.

6151121566 is a deficient number, since it is larger than the sum of its proper divisors (3113846498).

6151121566 is a wasteful number, since it uses less digits than its factorization.

6151121566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12761906.

The product of its digits is 10800, while the sum is 34.

The square root of 6151121566 is about 78429.0862244359. The cubic root of 6151121566 is about 1832.2501674525.

The spelling of 6151121566 in words is "six billion, one hundred fifty-one million, one hundred twenty-one thousand, five hundred sixty-six".