66435097 has 8 divisors (see below), whose sum is σ = 67174400. Its totient is φ = 65699424.

The previous prime is 66435071. The next prime is 66435137. The reversal of 66435097 is 79053466.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66435097 is a prime.

It is a super-2 number, since 2×66435097² = 8827244226798818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66435007) 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, 51304 + ... + 52582.

It is an arithmetic number, because the mean of its divisors is an integer number (8396800).

Almost surely, 2^66435097 is an apocalyptic number.

It is an amenable number.

66435097 is a deficient number, since it is larger than the sum of its proper divisors (739303).

66435097 is a wasteful number, since it uses less digits than its factorization.

66435097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 66435097 is about 8150.7727854480. The cubic root of 66435097 is about 405.0101038987.

The spelling of 66435097 in words is "sixty-six million, four hundred thirty-five thousand, ninety-seven".