66060575 has 18 divisors (see below), whose sum is σ = 95290776. Its totient is φ = 45297840.

The previous prime is 66060563. The next prime is 66060583. The reversal of 66060575 is 57506066.

It is not a de Polignac number, because 66060575 - 2⁴ = 66060559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 25739 + ... + 28188.

It is an arithmetic number, because the mean of its divisors is an integer number (5293932).

Almost surely, 2^66060575 is an apocalyptic number.

66060575 is a deficient number, since it is larger than the sum of its proper divisors (29230201).

66060575 is a wasteful number, since it uses less digits than its factorization.

66060575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53951 (or 53939 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 66060575 is about 8127.7656831383. The cubic root of 66060575 is about 404.2475996684.

The spelling of 66060575 in words is "sixty-six million, sixty thousand, five hundred seventy-five".