66476495 has 8 divisors (see below), whose sum is σ = 81627216. Its totient is φ = 51944256.

The previous prime is 66476491. The next prime is 66476507. The reversal of 66476495 is 59467466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66476495 - 2² = 66476491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66476491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154382 + ... + 154811.

It is an arithmetic number, because the mean of its divisors is an integer number (10203402).

Almost surely, 2^66476495 is an apocalyptic number.

66476495 is a deficient number, since it is larger than the sum of its proper divisors (15150721).

66476495 is a wasteful number, since it uses less digits than its factorization.

66476495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309241.

The product of its digits is 1088640, while the sum is 47.

The square root of 66476495 is about 8153.3119037603. The cubic root of 66476495 is about 405.0942116852.

The spelling of 66476495 in words is "sixty-six million, four hundred seventy-six thousand, four hundred ninety-five".