66190059 has 12 divisors (see below), whose sum is σ = 102962496. Its totient is φ = 40732272.

The previous prime is 66190009. The next prime is 66190073. The reversal of 66190059 is 95009166.

It is not a de Polignac number, because 66190059 - 2⁹ = 66189547 is a prime.

It is a super-2 number, since 2×66190059² = 8762247820846962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66190009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282747 + ... + 282980.

It is an arithmetic number, because the mean of its divisors is an integer number (8580208).

Almost surely, 2^66190059 is an apocalyptic number.

66190059 is a deficient number, since it is larger than the sum of its proper divisors (36772437).

66190059 is a wasteful number, since it uses less digits than its factorization.

66190059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565746 (or 565743 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 66190059 is about 8135.7273184393. The cubic root of 66190059 is about 404.5115464787.

The spelling of 66190059 in words is "sixty-six million, one hundred ninety thousand, fifty-nine".