1679923120005 has 160 divisors (see below), whose sum is σ = 3321974113920. Its totient is φ = 806956577280.

The previous prime is 1679923119991. The next prime is 1679923120049. The reversal of 1679923120005 is 5000213299761.

It is a happy number.

It is not a de Polignac number, because 1679923120005 - 2⁴ = 1679923119989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 251068710 + ... + 251075400.

It is an arithmetic number, because the mean of its divisors is an integer number (20762338212).

Almost surely, 2^{1679923120005} is an apocalyptic number.

1679923120005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1679923120005 is a deficient number, since it is larger than the sum of its proper divisors (1642050993915).

1679923120005 is a wasteful number, since it uses less digits than its factorization.

1679923120005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7873 (or 7864 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 1679923120005 in words is "one trillion, six hundred seventy-nine billion, nine hundred twenty-three million, one hundred twenty thousand, five".