102161017071 has 32 divisors (see below), whose sum is σ = 152203518720. Its totient is φ = 67723502112.

The previous prime is 102161016983. The next prime is 102161017087. The reversal of 102161017071 is 170710161201.

102161017071 is a `hidden beast` number, since 10 + 21 + 610 + 17 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 102161017071 - 2²² = 102156822767 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102161017171) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11926236 + ... + 11934798.

It is an arithmetic number, because the mean of its divisors is an integer number (4756359960).

Almost surely, 2^102161017071 is an apocalyptic number.

102161017071 is a deficient number, since it is larger than the sum of its proper divisors (50042501649).

102161017071 is a wasteful number, since it uses less digits than its factorization.

102161017071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 11006 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 27.

Adding to 102161017071 its reverse (170710161201), we get a palindrome (272871178272).

The spelling of 102161017071 in words is "one hundred two billion, one hundred sixty-one million, seventeen thousand, seventy-one".