65606145237 has 16 divisors (see below), whose sum is σ = 97358215680. Its totient is φ = 43663663296.

The previous prime is 65606145191. The next prime is 65606145299. The reversal of 65606145237 is 73254160656.

65606145237 is a `hidden beast` number, since 6 + 5 + 6 + 0 + 614 + 5 + 23 + 7 = 666.

It is not a de Polignac number, because 65606145237 - 2⁶ = 65606145173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65606145192 and 65606145201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65606145037) 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, 2032773 + ... + 2064794.

It is an arithmetic number, because the mean of its divisors is an integer number (6084888480).

Almost surely, 2^65606145237 is an apocalyptic number.

It is an amenable number.

65606145237 is a deficient number, since it is larger than the sum of its proper divisors (31752070443).

65606145237 is a wasteful number, since it uses less digits than its factorization.

65606145237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098169 (or 4098163 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 65606145237 in words is "sixty-five billion, six hundred six million, one hundred forty-five thousand, two hundred thirty-seven".