6501161151 has 12 divisors (see below), whose sum is σ = 9391496400. Its totient is φ = 4333678080.

The previous prime is 6501161143. The next prime is 6501161167. The reversal of 6501161151 is 1511611056.

6501161151 is a `hidden beast` number, since 6 + 501 + 1 + 6 + 1 + 151 = 666.

It is not a de Polignac number, because 6501161151 - 2³ = 6501161143 is a prime.

It is a super-2 number, since 2×6501161151² = 84530192622543289602, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6501161651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79750 + ... + 139148.

It is an arithmetic number, because the mean of its divisors is an integer number (782624700).

Almost surely, 2^6501161151 is an apocalyptic number.

6501161151 is a deficient number, since it is larger than the sum of its proper divisors (2890335249).

6501161151 is a wasteful number, since it uses less digits than its factorization.

6501161151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71566 (or 71563 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 6501161151 is about 80629.7783142184. The cubic root of 6501161151 is about 1866.3667002295.

The spelling of 6501161151 in words is "six billion, five hundred one million, one hundred sixty-one thousand, one hundred fifty-one".