106165520551 has 8 divisors (see below), whose sum is σ = 110664774000. Its totient is φ = 101722158720.

The previous prime is 106165520543. The next prime is 106165520579. The reversal of 106165520551 is 155025561601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 106165520551 - 2³ = 106165520543 is a prime.

It is a super-2 number, since 2×106165520551² (a number of 23 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 106165520551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106165520501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13969026 + ... + 13976623.

It is an arithmetic number, because the mean of its divisors is an integer number (13833096750).

Almost surely, 2^106165520551 is an apocalyptic number.

106165520551 is a deficient number, since it is larger than the sum of its proper divisors (4499253449).

106165520551 is a wasteful number, since it uses less digits than its factorization.

106165520551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27945809.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 106165520551 in words is "one hundred six billion, one hundred sixty-five million, five hundred twenty thousand, five hundred fifty-one".