106181994280 has 32 divisors (see below), whose sum is σ = 239204874600. Its totient is φ = 42420284416.

The previous prime is 106181994263. The next prime is 106181994293. The reversal of 106181994280 is 82499181601.

It can be written as a sum of positive squares in 4 ways, for example, as 91618814596 + 14563179684 = 302686^2 + 120678^2 .

It is a super-2 number, since 2×106181994280² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1608277 + ... + 1672996.

Almost surely, 2^106181994280 is an apocalyptic number.

106181994280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

106181994280 is an abundant number, since it is smaller than the sum of its proper divisors (133022880320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106181994280 is a wasteful number, since it uses less digits than its factorization.

106181994280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282093 (or 3282089 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 49.

The spelling of 106181994280 in words is "one hundred six billion, one hundred eighty-one million, nine hundred ninety-four thousand, two hundred eighty".