186004340497 has 16 divisors (see below), whose sum is σ = 195557483520. Its totient is φ = 176574282192.

The previous prime is 186004340479. The next prime is 186004340507. The reversal of 186004340497 is 794043400681.

It is a de Polignac number, because none of the positive numbers 2^k-186004340497 is a prime.

It is a super-3 number, since 3×186004340497³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (186004344497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10691668 + ... + 10709050.

It is an arithmetic number, because the mean of its divisors is an integer number (12222342720).

Almost surely, 2^186004340497 is an apocalyptic number.

It is an amenable number.

186004340497 is a deficient number, since it is larger than the sum of its proper divisors (9553143023).

186004340497 is a wasteful number, since it uses less digits than its factorization.

186004340497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20892.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 186004340497 in words is "one hundred eighty-six billion, four million, three hundred forty thousand, four hundred ninety-seven".