66268345 has 16 divisors (see below), whose sum is σ = 93425472. Its totient is φ = 44487360.

The previous prime is 66268339. The next prime is 66268351. The reversal of 66268345 is 54386266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (66268339) and next prime (66268351).

It is not a de Polignac number, because 66268345 - 2⁷ = 66268217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66268298 and 66268307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45627 + ... + 47056.

It is an arithmetic number, because the mean of its divisors is an integer number (5839092).

Almost surely, 2^66268345 is an apocalyptic number.

66268345 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

66268345 is a deficient number, since it is larger than the sum of its proper divisors (27157127).

66268345 is a wasteful number, since it uses less digits than its factorization.

66268345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92712.

The product of its digits is 207360, while the sum is 40.

The square root of 66268345 is about 8140.5371444395. The cubic root of 66268345 is about 404.6709617278.

The spelling of 66268345 in words is "sixty-six million, two hundred sixty-eight thousand, three hundred forty-five".