6165666051 has 32 divisors (see below), whose sum is σ = 8822673408. Its totient is φ = 3820037760.

The previous prime is 6165666049. The next prime is 6165666053. The reversal of 6165666051 is 1506665616.

It is an interprime number because it is at equal distance from previous prime (6165666049) and next prime (6165666053).

It is not a de Polignac number, because 6165666051 - 2¹ = 6165666049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6165665994 and 6165666012.

It is not an unprimeable number, because it can be changed into a prime (6165666053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2528805 + ... + 2531241.

It is an arithmetic number, because the mean of its divisors is an integer number (275708544).

Almost surely, 2^6165666051 is an apocalyptic number.

6165666051 is a deficient number, since it is larger than the sum of its proper divisors (2657007357).

6165666051 is a wasteful number, since it uses less digits than its factorization.

6165666051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3491.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 6165666051 is about 78521.7552720264. The cubic root of 6165666051 is about 1833.6931649151.

The spelling of 6165666051 in words is "six billion, one hundred sixty-five million, six hundred sixty-six thousand, fifty-one".