106800664157 has 6 divisors (see below), whose sum is σ = 117392465694. Its totient is φ = 97091512760.

The previous prime is 106800664123. The next prime is 106800664189. The reversal of 106800664157 is 751466008601.

It can be written as a sum of positive squares in only one way, i.e., 101697847801 + 5102816356 = 318901^2 + 71434^2 .

It is not a de Polignac number, because 106800664157 - 2⁸ = 106800663901 is a prime.

It is a super-2 number, since 2×106800664157² (a number of 23 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 (106800660157) 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, 441324938 + ... + 441325179.

It is an arithmetic number, because the mean of its divisors is an integer number (19565410949).

Almost surely, 2^106800664157 is an apocalyptic number.

It is an amenable number.

106800664157 is a deficient number, since it is larger than the sum of its proper divisors (10591801537).

106800664157 is an equidigital number, since it uses as much as digits as its factorization.

106800664157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882650139 (or 882650128 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 106800664157 in words is "one hundred six billion, eight hundred million, six hundred sixty-four thousand, one hundred fifty-seven".