2075158372681 has 9 divisors (see below), whose sum is σ = 2094889231981. Its totient is φ = 2055611671852.

The previous prime is 2075158372657. The next prime is 2075158372687. The reversal of 2075158372681 is 1862738515702.

It is a happy number.

The square root of 2075158372681 is 1440541.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2075158372681 - 2²¹ = 2075156275529 is a prime.

It is a super-2 number, since 2×2075158372681² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2075158372687) 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 8 ways as a sum of consecutive naturals, for example, 154131156 + ... + 154144618.

Almost surely, 2^{2075158372681} is an apocalyptic number.

2075158372681 is the 1440541-st square number.

2075158372681 is the 720271-st centered octagonal number.

It is an amenable number.

2075158372681 is a deficient number, since it is larger than the sum of its proper divisors (19730859300).

2075158372681 is an frugal number, since it uses more digits than its factorization.

2075158372681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27140 (or 13570 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 2075158372681 in words is "two trillion, seventy-five billion, one hundred fifty-eight million, three hundred seventy-two thousand, six hundred eighty-one".