80681169662607 has 16 divisors (see below), whose sum is σ = 107614363633920. Its totient is φ = 53767714658112.

The previous prime is 80681169662549. The next prime is 80681169662617. The reversal of 80681169662607 is 70626696118608.

It is not a de Polignac number, because 80681169662607 - 2⁸ = 80681169662351 is a prime.

It is a super-2 number, since 2×80681169662607² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80681169662617) 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, 90535998 + ... + 91422804.

It is an arithmetic number, because the mean of its divisors is an integer number (6725897727120).

Almost surely, 2^{80681169662607} is an apocalyptic number.

80681169662607 is a deficient number, since it is larger than the sum of its proper divisors (26933193971313).

80681169662607 is a wasteful number, since it uses less digits than its factorization.

80681169662607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897902.

The product of its (nonzero) digits is 62705664, while the sum is 66.

The spelling of 80681169662607 in words is "eighty trillion, six hundred eighty-one billion, one hundred sixty-nine million, six hundred sixty-two thousand, six hundred seven".