106620265449 has 6 divisors (see below), whose sum is σ = 154007050106. Its totient is φ = 71080176960.

The previous prime is 106620265429. The next prime is 106620265459. The reversal of 106620265449 is 944562026601.

106620265449 is a `hidden beast` number, since 1 + 0 + 66 + 20 + 26 + 544 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64537845849 + 42082419600 = 254043^2 + 205140^2 .

It is not a de Polignac number, because 106620265449 - 2⁹ = 106620264937 is a prime.

It is a super-2 number, since 2×106620265449² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106620265429) 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, 5923348072 + ... + 5923348089.

Almost surely, 2^106620265449 is an apocalyptic number.

It is an amenable number.

106620265449 is a deficient number, since it is larger than the sum of its proper divisors (47386784657).

106620265449 is a wasteful number, since it uses less digits than its factorization.

106620265449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11846696167 (or 11846696164 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 106620265449 in words is "one hundred six billion, six hundred twenty million, two hundred sixty-five thousand, four hundred forty-nine".