106891384428 has 48 divisors (see below), whose sum is σ = 277144932960. Its totient is φ = 35628003072.

The previous prime is 106891384409. The next prime is 106891384459. The reversal of 106891384428 is 824483198601.

It is a happy number.

106891384428 is a `hidden beast` number, since 1 + 0 + 6 + 89 + 138 + 4 + 428 = 666.

It is a super-2 number, since 2×106891384428² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2230576 + ... + 2277992.

It is an arithmetic number, because the mean of its divisors is an integer number (5773852770).

Almost surely, 2^106891384428 is an apocalyptic number.

106891384428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

106891384428 is an abundant number, since it is smaller than the sum of its proper divisors (170253548532).

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

106891384428 is a wasteful number, since it uses less digits than its factorization.

106891384428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68303 (or 68295 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 106891384428 in words is "one hundred six billion, eight hundred ninety-one million, three hundred eighty-four thousand, four hundred twenty-eight".