106991576 has 8 divisors (see below), whose sum is σ = 200609220. Its totient is φ = 53495784.

The previous prime is 106991567. The next prime is 106991581. The reversal of 106991576 is 675199601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×106991576² = 22894394669927552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6686966 + ... + 6686981.

Almost surely, 2^106991576 is an apocalyptic number.

It is an amenable number.

106991576 is a deficient number, since it is larger than the sum of its proper divisors (93617644).

106991576 is a wasteful number, since it uses less digits than its factorization.

106991576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13373953 (or 13373949 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 44.

The square root of 106991576 is about 10343.6732353647. The cubic root of 106991576 is about 474.7334807721.

The spelling of 106991576 in words is "one hundred six million, nine hundred ninety-one thousand, five hundred seventy-six".