60640498791 has 12 divisors (see below), whose sum is σ = 88576010640. Its totient is φ = 39972762720.

The previous prime is 60640498783. The next prime is 60640498817. The reversal of 60640498791 is 19789404606.

60640498791 is a `hidden beast` number, since 6 + 0 + 64 + 0 + 498 + 7 + 91 = 666.

It is not a de Polignac number, because 60640498791 - 2³ = 60640498783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60640498741) 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 11 ways as a sum of consecutive naturals, for example, 37852195 + ... + 37853796.

It is an arithmetic number, because the mean of its divisors is an integer number (7381334220).

Almost surely, 2^60640498791 is an apocalyptic number.

60640498791 is a deficient number, since it is larger than the sum of its proper divisors (27935511849).

60640498791 is a wasteful number, since it uses less digits than its factorization.

60640498791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75706086 (or 75706083 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 60640498791 in words is "sixty billion, six hundred forty million, four hundred ninety-eight thousand, seven hundred ninety-one".