66460535 has 4 divisors (see below), whose sum is σ = 79752648. Its totient is φ = 53168424.

The previous prime is 66460529. The next prime is 66460543. The reversal of 66460535 is 53506466.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66460535 - 2⁴ = 66460519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66460495 and 66460504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6646049 + ... + 6646058.

It is an arithmetic number, because the mean of its divisors is an integer number (19938162).

Almost surely, 2^66460535 is an apocalyptic number.

66460535 is a deficient number, since it is larger than the sum of its proper divisors (13292113).

66460535 is a wasteful number, since it uses less digits than its factorization.

66460535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13292112.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 66460535 is about 8152.3331016342. Note that the first 3 decimals coincide. The cubic root of 66460535 is about 405.0617900948.

The spelling of 66460535 in words is "sixty-six million, four hundred sixty thousand, five hundred thirty-five".