161073407587 has 2 divisors, whose sum is σ = 161073407588. Its totient is φ = 161073407586.

The previous prime is 161073407567. The next prime is 161073407591. The reversal of 161073407587 is 785704370161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 161073407587 - 2³⁵ = 126713669219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 161073407587.

It is not a weakly prime, because it can be changed into another prime (161073407567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80536703793 + 80536703794.

It is an arithmetic number, because the mean of its divisors is an integer number (80536703794).

Almost surely, 2^161073407587 is an apocalyptic number.

161073407587 is a deficient number, since it is larger than the sum of its proper divisors (1).

161073407587 is an equidigital number, since it uses as much as digits as its factorization.

161073407587 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 987840, while the sum is 49.

The spelling of 161073407587 in words is "one hundred sixty-one billion, seventy-three million, four hundred seven thousand, five hundred eighty-seven".