1051661106177 has 16 divisors (see below), whose sum is σ = 1535640990912. Its totient is φ = 634890321920.

The previous prime is 1051661106151. The next prime is 1051661106191. The reversal of 1051661106177 is 7716011661501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1051661106177 - 2¹⁹ = 1051660581889 is a prime.

It is a super-2 number, since 2×1051661106177² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051661106077) 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, 61992528 + ... + 62009489.

It is an arithmetic number, because the mean of its divisors is an integer number (95977561932).

Almost surely, 2^{1051661106177} is an apocalyptic number.

It is an amenable number.

1051661106177 is a deficient number, since it is larger than the sum of its proper divisors (483979884735).

1051661106177 is a wasteful number, since it uses less digits than its factorization.

1051661106177 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124002288.

The product of its (nonzero) digits is 52920, while the sum is 42.

Adding to 1051661106177 its reverse (7716011661501), we get a palindrome (8767672767678).

The spelling of 1051661106177 in words is "one trillion, fifty-one billion, six hundred sixty-one million, one hundred six thousand, one hundred seventy-seven".