66095493 has 4 divisors (see below), whose sum is σ = 88127328. Its totient is φ = 44063660.

The previous prime is 66095483. The next prime is 66095501. The reversal of 66095493 is 39459066.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66095493 is a prime.

It is a super-2 number, since 2×66095493² = 8737228389826098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66095413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11015913 + ... + 11015918.

It is an arithmetic number, because the mean of its divisors is an integer number (22031832).

Almost surely, 2^66095493 is an apocalyptic number.

It is an amenable number.

66095493 is a deficient number, since it is larger than the sum of its proper divisors (22031835).

66095493 is a wasteful number, since it uses less digits than its factorization.

66095493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22031834.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 66095493 is about 8129.9134681742. The cubic root of 66095493 is about 404.3188122455.

The spelling of 66095493 in words is "sixty-six million, ninety-five thousand, four hundred ninety-three".