146920689128799 has 6 divisors (see below), whose sum is σ = 212218773186056. Its totient is φ = 97947126085860.

The previous prime is 146920689128797. The next prime is 146920689128809. The reversal of 146920689128799 is 997821986029641.

146920689128799 is a `hidden beast` number, since 1 + 46 + 9 + 206 + 8 + 9 + 1 + 287 + 99 = 666.

It is not a de Polignac number, because 146920689128799 - 2¹ = 146920689128797 is a prime.

It is a super-2 number, since 2×146920689128799² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146920689128797) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8162260507147 + ... + 8162260507164.

Almost surely, 2^{146920689128799} is an apocalyptic number.

146920689128799 is a deficient number, since it is larger than the sum of its proper divisors (65298084057257).

146920689128799 is a wasteful number, since it uses less digits than its factorization.

146920689128799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16324521014317 (or 16324521014314 counting only the distinct ones).

The product of its (nonzero) digits is 1693052928, while the sum is 81.

The spelling of 146920689128799 in words is "one hundred forty-six trillion, nine hundred twenty billion, six hundred eighty-nine million, one hundred twenty-eight thousand, seven hundred ninety-nine".