106650612261561 has 16 divisors (see below), whose sum is σ = 148386439480320. Its totient is φ = 68007720731280.

The previous prime is 106650612261547. The next prime is 106650612261563. The reversal of 106650612261561 is 165162216056601.

It is not a de Polignac number, because 106650612261561 - 2¹³ = 106650612253369 is a prime.

It is a super-2 number, since 2×106650612261561² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106650612261561.

It is not an unprimeable number, because it can be changed into a prime (106650612261563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12047901 + ... + 18932858.

It is an arithmetic number, because the mean of its divisors is an integer number (9274152467520).

Almost surely, 2^{106650612261561} is an apocalyptic number.

It is an amenable number.

106650612261561 is a deficient number, since it is larger than the sum of its proper divisors (41735827218759).

106650612261561 is a wasteful number, since it uses less digits than its factorization.

106650612261561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31030676.

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 106650612261561 in words is "one hundred six trillion, six hundred fifty billion, six hundred twelve million, two hundred sixty-one thousand, five hundred sixty-one".