106692165935521 has 4 divisors (see below), whose sum is σ = 112968175696452. Its totient is φ = 100416156174592.

The previous prime is 106692165935497. The next prime is 106692165935533. The reversal of 106692165935521 is 125539561296601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88396870645521 + 18295295290000 = 9401961^2 + 4277300^2 .

It is a cyclic number.

It is not a de Polignac number, because 106692165935521 - 2⁷ = 106692165935393 is a prime.

It is a super-2 number, since 2×106692165935521² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 106692165935521.

It is not an unprimeable number, because it can be changed into a prime (106692165935021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3138004880440 + ... + 3138004880473.

It is an arithmetic number, because the mean of its divisors is an integer number (28242043924113).

Almost surely, 2^{106692165935521} is an apocalyptic number.

It is an amenable number.

106692165935521 is a deficient number, since it is larger than the sum of its proper divisors (6276009760931).

106692165935521 is an equidigital number, since it uses as much as digits as its factorization.

106692165935521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6276009760930.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 106692165935521 in words is "one hundred six trillion, six hundred ninety-two billion, one hundred sixty-five million, nine hundred thirty-five thousand, five hundred twenty-one".