65160557 has 24 divisors (see below), whose sum is σ = 86184000. Its totient is φ = 48090240.

The previous prime is 65160553. The next prime is 65160583. The reversal of 65160557 is 75506156.

It is not a de Polignac number, because 65160557 - 2² = 65160553 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65160553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14069 + ... + 18117.

It is an arithmetic number, because the mean of its divisors is an integer number (3591000).

Almost surely, 2^65160557 is an apocalyptic number.

It is an amenable number.

65160557 is a deficient number, since it is larger than the sum of its proper divisors (21023443).

65160557 is a wasteful number, since it uses less digits than its factorization.

65160557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097 (or 4086 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 65160557 is about 8072.2089294071. The cubic root of 65160557 is about 402.4033578400.

The spelling of 65160557 in words is "sixty-five million, one hundred sixty thousand, five hundred fifty-seven".