106989176465 has 8 divisors (see below), whose sum is σ = 128388787560. Its totient is φ = 85590157312.

The previous prime is 106989176443. The next prime is 106989176537. The reversal of 106989176465 is 564671989601.

It is a Cunningham number, because it is equal to 327092²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 38516417536 + 68472758929 = 196256^2 + 261673^2 .

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 106989176465 - 2¹⁶ = 106989110929 is a prime.

It is a super-2 number, since 2×106989176465² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 106989176398 and 106989176407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542801 + ... + 713169.

It is an arithmetic number, because the mean of its divisors is an integer number (16048598445).

Almost surely, 2^106989176465 is an apocalyptic number.

It is an amenable number.

106989176465 is a deficient number, since it is larger than the sum of its proper divisors (21399611095).

106989176465 is a wasteful number, since it uses less digits than its factorization.

106989176465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295971.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 106989176465 in words is "one hundred six billion, nine hundred eighty-nine million, one hundred seventy-six thousand, four hundred sixty-five".