106443272997 has 6 divisors (see below), whose sum is σ = 153751394342. Its totient is φ = 70962181992.

The previous prime is 106443272987. The next prime is 106443273011. The reversal of 106443272997 is 799272344601.

106443272997 is a `hidden beast` number, since 106 + 443 + 2 + 7 + 2 + 9 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64775849121 + 41667423876 = 254511^2 + 204126^2 .

It is not a de Polignac number, because 106443272997 - 2⁷ = 106443272869 is a prime.

It is a super-2 number, since 2×106443272997² (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 (106443272987) 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, 5913515158 + ... + 5913515175.

Almost surely, 2^106443272997 is an apocalyptic number.

It is an amenable number.

106443272997 is a deficient number, since it is larger than the sum of its proper divisors (47308121345).

106443272997 is a wasteful number, since it uses less digits than its factorization.

106443272997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11827030339 (or 11827030336 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 106443272997 in words is "one hundred six billion, four hundred forty-three million, two hundred seventy-two thousand, nine hundred ninety-seven".