1610665661151 has 12 divisors (see below), whose sum is σ = 2380622114728. Its totient is φ = 1048805546544.

The previous prime is 1610665661149. The next prime is 1610665661159. The reversal of 1610665661151 is 1511665660161.

1610665661151 is a `hidden beast` number, since 1 + 6 + 10 + 66 + 566 + 1 + 15 + 1 = 666.

It is not a de Polignac number, because 1610665661151 - 2¹ = 1610665661149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1610665661097 and 1610665661106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1610665661159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2080963000 + ... + 2080963773.

Almost surely, 2^{1610665661151} is an apocalyptic number.

1610665661151 is a deficient number, since it is larger than the sum of its proper divisors (769956453577).

1610665661151 is a wasteful number, since it uses less digits than its factorization.

1610665661151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4161926822 (or 4161926819 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The spelling of 1610665661151 in words is "one trillion, six hundred ten billion, six hundred sixty-five million, six hundred sixty-one thousand, one hundred fifty-one".