66704337413157 has 16 divisors (see below), whose sum is σ = 89585125200000. Its totient is φ = 44147549343744.

The previous prime is 66704337413107. The next prime is 66704337413173. The reversal of 66704337413157 is 75131473340766.

It is not a de Polignac number, because 66704337413157 - 2²⁷ = 66704203195429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66704337413097 and 66704337413106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66704337413107) 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, 124155732 + ... + 124691837.

It is an arithmetic number, because the mean of its divisors is an integer number (5599070325000).

Almost surely, 2^{66704337413157} is an apocalyptic number.

It is an amenable number.

66704337413157 is a deficient number, since it is larger than the sum of its proper divisors (22880787786843).

66704337413157 is a wasteful number, since it uses less digits than its factorization.

66704337413157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248848220.

The product of its (nonzero) digits is 26671680, while the sum is 57.

The spelling of 66704337413157 in words is "sixty-six trillion, seven hundred four billion, three hundred thirty-seven million, four hundred thirteen thousand, one hundred fifty-seven".