65166867 has 24 divisors (see below), whose sum is σ = 97963008. Its totient is φ = 41698800.

The previous prime is 65166859. The next prime is 65166883. The reversal of 65166867 is 76866156.

It is not a de Polignac number, because 65166867 - 2³ = 65166859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65166817) 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, 35658 + ... + 37440.

It is an arithmetic number, because the mean of its divisors is an integer number (4081792).

Almost surely, 2^65166867 is an apocalyptic number.

65166867 is a deficient number, since it is larger than the sum of its proper divisors (32796141).

65166867 is a wasteful number, since it uses less digits than its factorization.

65166867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951 (or 1948 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 65166867 is about 8072.5997671134. The cubic root of 65166867 is about 402.4163466958.

The spelling of 65166867 in words is "sixty-five million, one hundred sixty-six thousand, eight hundred sixty-seven".