106991941490 has 24 divisors (see below), whose sum is σ = 224028025452. Its totient is φ = 36682951200.

The previous prime is 106991941451. The next prime is 106991941513. The reversal of 106991941490 is 94149199601.

It can be written as a sum of positive squares in 2 ways, for example, as 103607378161 + 3384563329 = 321881^2 + 58177^2 .

It is a super-2 number, since 2×106991941490² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109174961 + ... + 109175940.

Almost surely, 2^106991941490 is an apocalyptic number.

106991941490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

106991941490 is an abundant number, since it is smaller than the sum of its proper divisors (117036083962).

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

106991941490 is a wasteful number, since it uses less digits than its factorization.

106991941490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218350922 (or 218350915 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 53.

The spelling of 106991941490 in words is "one hundred six billion, nine hundred ninety-one million, nine hundred forty-one thousand, four hundred ninety".