106144818991 has 8 divisors (see below), whose sum is σ = 106970703840. Its totient is φ = 105321375072.

The previous prime is 106144818973. The next prime is 106144819043. The reversal of 106144818991 is 199818441601.

It is a happy number.

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 106144818991 - 2²⁵ = 106111264559 is a prime.

It is a super-2 number, since 2×106144818991² (a number of 23 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 (106144818911) 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, 522876 + ... + 696913.

It is an arithmetic number, because the mean of its divisors is an integer number (13371337980).

Almost surely, 2^106144818991 is an apocalyptic number.

106144818991 is a deficient number, since it is larger than the sum of its proper divisors (825884849).

106144818991 is a wasteful number, since it uses less digits than its factorization.

106144818991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220465.

The product of its (nonzero) digits is 497664, while the sum is 52.

The spelling of 106144818991 in words is "one hundred six billion, one hundred forty-four million, eight hundred eighteen thousand, nine hundred ninety-one".