65151765 has 48 divisors (see below), whose sum is σ = 130336128. Its totient is φ = 29490048.

The previous prime is 65151761. The next prime is 65151791. The reversal of 65151765 is 56715156.

It is not a de Polignac number, because 65151765 - 2² = 65151761 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65151761) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32739 + ... + 34671.

It is an arithmetic number, because the mean of its divisors is an integer number (2715336).

Almost surely, 2^65151765 is an apocalyptic number.

It is an amenable number.

65151765 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

65151765 is a wasteful number, since it uses less digits than its factorization.

65151765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058 (or 2055 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 65151765 is about 8071.6643265190. The cubic root of 65151765 is about 402.3852584988.

The spelling of 65151765 in words is "sixty-five million, one hundred fifty-one thousand, seven hundred sixty-five".