1001701610172 has 24 divisors (see below), whose sum is σ = 2597004174800. Its totient is φ = 333900536688.

The previous prime is 1001701610171. The next prime is 1001701610197. The reversal of 1001701610172 is 2710161071001.

It is a super-2 number, since 2×1001701610172² (a number of 25 digits) contains 22 as substring.

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 (1001701610171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4637507347 + ... + 4637507562.

Almost surely, 2^{1001701610172} is an apocalyptic number.

1001701610172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001701610172 is an abundant number, since it is smaller than the sum of its proper divisors (1595302564628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001701610172 is a wasteful number, since it uses less digits than its factorization.

1001701610172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275014922 (or 9275014914 counting only the distinct ones).

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

Adding to 1001701610172 its reverse (2710161071001), we get a palindrome (3711862681173).

The spelling of 1001701610172 in words is "one trillion, one billion, seven hundred one million, six hundred ten thousand, one hundred seventy-two".