105156491996 has 6 divisors (see below), whose sum is σ = 184023861000. Its totient is φ = 52578245996.

The previous prime is 105156491977. The next prime is 105156492011. The reversal of 105156491996 is 699194651501.

It is a super-2 number, since 2×105156491996² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144561496 + ... + 13144561503.

It is an arithmetic number, because the mean of its divisors is an integer number (30670643500).

Almost surely, 2^105156491996 is an apocalyptic number.

It is an amenable number.

105156491996 is a deficient number, since it is larger than the sum of its proper divisors (78867369004).

105156491996 is a wasteful number, since it uses less digits than its factorization.

105156491996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26289123003 (or 26289123001 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 56.

The spelling of 105156491996 in words is "one hundred five billion, one hundred fifty-six million, four hundred ninety-one thousand, nine hundred ninety-six".