66100383 has 6 divisors (see below), whose sum is σ = 95478344. Its totient is φ = 44066916.

The previous prime is 66100351. The next prime is 66100429. The reversal of 66100383 is 38300166.

It is not a de Polignac number, because 66100383 - 2⁵ = 66100351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66100303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3672235 + ... + 3672252.

Almost surely, 2^66100383 is an apocalyptic number.

66100383 is a deficient number, since it is larger than the sum of its proper divisors (29377961).

66100383 is a wasteful number, since it uses less digits than its factorization.

66100383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7344493 (or 7344490 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 66100383 is about 8130.2142038202. The cubic root of 66100383 is about 404.3287830224.

It can be divided in two parts, 6610038 and 3, that added together give a square (6610041 = 2571²).

The spelling of 66100383 in words is "sixty-six million, one hundred thousand, three hundred eighty-three".