66436354083 has 32 divisors (see below), whose sum is σ = 97853495040. Its totient is φ = 39757168640.

The previous prime is 66436354051. The next prime is 66436354157. The reversal of 66436354083 is 38045363466.

It is a cyclic number.

It is not a de Polignac number, because 66436354083 - 2⁵ = 66436354051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66436354783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5825635 + ... + 5837027.

It is an arithmetic number, because the mean of its divisors is an integer number (3057921720).

Almost surely, 2^66436354083 is an apocalyptic number.

66436354083 is a deficient number, since it is larger than the sum of its proper divisors (31417140957).

66436354083 is a wasteful number, since it uses less digits than its factorization.

66436354083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13619.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 66436354083 in words is "sixty-six billion, four hundred thirty-six million, three hundred fifty-four thousand, eighty-three".