185980358147 has 16 divisors (see below), whose sum is σ = 191437508640. Its totient is φ = 180604588032.

The previous prime is 185980358131. The next prime is 185980358189. The reversal of 185980358147 is 741853089581.

It is a cyclic number.

It is not a de Polignac number, because 185980358147 - 2⁴ = 185980358131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (185980358107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11108879 + ... + 11125607.

It is an arithmetic number, because the mean of its divisors is an integer number (11964844290).

Almost surely, 2^185980358147 is an apocalyptic number.

185980358147 is a deficient number, since it is larger than the sum of its proper divisors (5457150493).

185980358147 is a wasteful number, since it uses less digits than its factorization.

185980358147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19142.

The product of its (nonzero) digits is 9676800, while the sum is 59.

The spelling of 185980358147 in words is "one hundred eighty-five billion, nine hundred eighty million, three hundred fifty-eight thousand, one hundred forty-seven".