167828949491399 has 16 divisors (see below), whose sum is σ = 192067069582080. Its totient is φ = 143656493967360.

The previous prime is 167828949491393. The next prime is 167828949491429. The reversal of 167828949491399 is 993194949828761.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 167828949491399 - 2²⁸ = 167828681055943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167828949491393) 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, 78195104 + ... + 80312714.

It is an arithmetic number, because the mean of its divisors is an integer number (12004191848880).

Almost surely, 2^{167828949491399} is an apocalyptic number.

167828949491399 is a deficient number, since it is larger than the sum of its proper divisors (24238120090681).

167828949491399 is a wasteful number, since it uses less digits than its factorization.

167828949491399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133110.

The product of its digits is 15237476352, while the sum is 89.

The spelling of 167828949491399 in words is "one hundred sixty-seven trillion, eight hundred twenty-eight billion, nine hundred forty-nine million, four hundred ninety-one thousand, three hundred ninety-nine".