6515060161 has 16 divisors (see below), whose sum is σ = 7286450688. Its totient is φ = 5796000000.

The previous prime is 6515060143. The next prime is 6515060173. The reversal of 6515060161 is 1610605156.

It is a cyclic number.

It is not a de Polignac number, because 6515060161 - 2¹⁷ = 6514929089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6515060131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121090 + ... + 166411.

It is an arithmetic number, because the mean of its divisors is an integer number (455403168).

Almost surely, 2^6515060161 is an apocalyptic number.

It is an amenable number.

6515060161 is a deficient number, since it is larger than the sum of its proper divisors (771390527).

6515060161 is a wasteful number, since it uses less digits than its factorization.

6515060161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287592.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 6515060161 is about 80715.9225989519. The cubic root of 6515060161 is about 1867.6958056178.

The spelling of 6515060161 in words is "six billion, five hundred fifteen million, sixty thousand, one hundred sixty-one".