66116435 has 24 divisors (see below), whose sum is σ = 100687536. Its totient is φ = 41213760.

The previous prime is 66116429. The next prime is 66116483. The reversal of 66116435 is 53461166.

It is not a de Polignac number, because 66116435 - 2¹⁴ = 66100051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9572 + ... + 14961.

It is an arithmetic number, because the mean of its divisors is an integer number (4195314).

Almost surely, 2^66116435 is an apocalyptic number.

66116435 is a deficient number, since it is larger than the sum of its proper divisors (34571101).

66116435 is a wasteful number, since it uses less digits than its factorization.

66116435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24563 (or 24556 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 66116435 is about 8131.2013257575. The cubic root of 66116435 is about 404.3615098137.

The spelling of 66116435 in words is "sixty-six million, one hundred sixteen thousand, four hundred thirty-five".