106551356516623 has 16 divisors (see below), whose sum is σ = 114792528598560. Its totient is φ = 98531271161856.

The previous prime is 106551356516581. The next prime is 106551356516663. The reversal of 106551356516623 is 326615653155601.

It is not a de Polignac number, because 106551356516623 - 2¹³ = 106551356508431 is a prime.

It is a super-2 number, since 2×106551356516623² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106551356516663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26480340 + ... + 30237577.

It is an arithmetic number, because the mean of its divisors is an integer number (7174533037410).

Almost surely, 2^{106551356516623} is an apocalyptic number.

106551356516623 is a deficient number, since it is larger than the sum of its proper divisors (8241172081937).

106551356516623 is a wasteful number, since it uses less digits than its factorization.

106551356516623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56719866.

The product of its (nonzero) digits is 14580000, while the sum is 55.

The spelling of 106551356516623 in words is "one hundred six trillion, five hundred fifty-one billion, three hundred fifty-six million, five hundred sixteen thousand, six hundred twenty-three".