106081781635 has 16 divisors (see below), whose sum is σ = 134010374400. Its totient is φ = 80391423456.

The previous prime is 106081781627. The next prime is 106081781639. The reversal of 106081781635 is 536187180601.

It is a cyclic number.

It is not a de Polignac number, because 106081781635 - 2³ = 106081781627 is a prime.

It is a super-2 number, since 2×106081781635² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106081781639) 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, 1127746 + ... + 1218184.

It is an arithmetic number, because the mean of its divisors is an integer number (8375648400).

Almost surely, 2^106081781635 is an apocalyptic number.

106081781635 is a deficient number, since it is larger than the sum of its proper divisors (27928592765).

106081781635 is a wasteful number, since it uses less digits than its factorization.

106081781635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102810.

The product of its (nonzero) digits is 241920, while the sum is 46.

The spelling of 106081781635 in words is "one hundred six billion, eighty-one million, seven hundred eighty-one thousand, six hundred thirty-five".