81460766373 has 32 divisors (see below), whose sum is σ = 129985591296. Its totient is φ = 44367732288.

The previous prime is 81460766363. The next prime is 81460766407. The reversal of 81460766373 is 37366706418.

It is not a de Polignac number, because 81460766373 - 2¹⁰ = 81460765349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81460766363) 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, 161290 + ... + 434667.

It is an arithmetic number, because the mean of its divisors is an integer number (4062049728).

Almost surely, 2^81460766373 is an apocalyptic number.

It is an amenable number.

81460766373 is a deficient number, since it is larger than the sum of its proper divisors (48524824923).

81460766373 is a wasteful number, since it uses less digits than its factorization.

81460766373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596273.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 81460766373 in words is "eighty-one billion, four hundred sixty million, seven hundred sixty-six thousand, three hundred seventy-three".