187516473061 has 2 divisors, whose sum is σ = 187516473062. Its totient is φ = 187516473060.

The previous prime is 187516473047. The next prime is 187516473127. The reversal of 187516473061 is 160374615781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 181790524161 + 5725948900 = 426369^2 + 75670^2 .

It is a cyclic number.

It is not a de Polignac number, because 187516473061 - 2²⁵ = 187482918629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 187516472996 and 187516473014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (187516473161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93758236530 + 93758236531.

It is an arithmetic number, because the mean of its divisors is an integer number (93758236531).

Almost surely, 2^187516473061 is an apocalyptic number.

It is an amenable number.

187516473061 is a deficient number, since it is larger than the sum of its proper divisors (1).

187516473061 is an equidigital number, since it uses as much as digits as its factorization.

187516473061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 187516473061 in words is "one hundred eighty-seven billion, five hundred sixteen million, four hundred seventy-three thousand, sixty-one".