106643453454 has 48 divisors (see below), whose sum is σ = 231738579072. Its totient is φ = 35443685904.

The previous prime is 106643453393. The next prime is 106643453461. The reversal of 106643453454 is 454354346601.

106643453454 is a `hidden beast` number, since 1 + 0 + 6 + 64 + 3 + 4 + 534 + 54 = 666.

It is a super-2 number, since 2×106643453454² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10742137 + ... + 10752059.

It is an arithmetic number, because the mean of its divisors is an integer number (4827887064).

Almost surely, 2^106643453454 is an apocalyptic number.

106643453454 is an abundant number, since it is smaller than the sum of its proper divisors (125095125618).

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

106643453454 is a wasteful number, since it uses less digits than its factorization.

106643453454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621 (or 11618 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 106643453454 in words is "one hundred six billion, six hundred forty-three million, four hundred fifty-three thousand, four hundred fifty-four".